This codes works great except for getting the post values... I have the select hard coded now, but I want to obtain the values from the form post and populate from that... I hope there's a way to do this using inline asp.net (vb.net)...
<%# Page language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>ListView Templates Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>Modifying Quantities for: </h3>
<asp:SqlDataSource ID="Sql" runat="server"
ConnectionString="<%$ ConnectionStrings:myConnectionString %>"
SelectCommand="SELECT [name],[id] FROM [markets]">
</asp:SqlDataSource>
<asp:SqlDataSource ID="yearSQLDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:myConnectionString %>"
SelectCommand="SELECT distinct(year) as year from transactions order by year asc">
</asp:SqlDataSource>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:myConnectionString %>"
SelectCommand="SELECT shortname, id from products order by name asc">
</asp:SqlDataSource>
<asp:Label ID="market" runat="server" Text="Market:" />
<asp:DropDownList ID="markets" runat="server"
DataSourceID="Sql" DataTextField="name" DataValueField="id" >
</asp:DropDownList>
<asp:Label ID="Label2" runat="server" Text="Products:" />
<asp:DropDownList ID="products" runat="server"
DataSourceID="SqlDataSource1" DataTextField="shortname" DataValueField="id" >
</asp:DropDownList>
<!--TODO use databind in Page_Load to fill from SQL and then use distributor ID instead of name to match-->
<asp:Label ID="year" runat="server" Text="Year:" />
<asp:DropDownList ID="years" runat="server"
DataSourceID="yearSQLDataSource" DataTextField="year" DataValueField="year" >
</asp:DropDownList>
<asp:button ID="Button1" runat="server" text="Submit" postbackurl="fourrosesformDataList3.aspx" />
<asp:ListView ID="ContactsListView"
DataSourceID="ContactsDataSource"
DataKeyNames="id"
runat="server">
<LayoutTemplate>
<table cellpadding="2" width="640px" border="1" runat="server" id="tblProducts">
<tr id="Tr1" runat="server">
<th id="Th1" runat="server">Action</th>
<th id="Th2" runat="server">Month</th>
<th id="Th3" runat="server">Quantity</th>
</tr>
<tr runat="server" id="itemPlaceholder" />
</table>
</LayoutTemplate>
<ItemTemplate>
<tr id="Tr2" runat="server">
<td>
<asp:LinkButton ID="EditButton" runat="Server" Text="Edit" CommandName="Edit" />
</td>
<td>
<asp:Label ID="Label1" runat="Server" Text='<%#Eval("MonthName") %>' />
</td>
<td>
<asp:Label DataTextField = "standardcase" ID="standardcase" runat="Server" Text='<%#Eval("standardcase") %>' />
</td>
</tr>
</ItemTemplate>
<EditItemTemplate>
<tr style="background-color: #ADD8E6">
<td>
<asp:LinkButton ID="UpdateButton" runat="server" CommandName="Update" Text="Update" />
<asp:LinkButton ID="CancelButton" runat="server" CommandName="Cancel" Text="Cancel" />
</td>
<td>
<asp:Label ID="Label3" runat="Server" Text='<%#Eval("MonthName") %>' />
</td>
<td>
<asp:TextBox ID="standardcase" DataTextField = "standardcase" runat="server" Text='<%# Bind("standardcase") %>'
MaxLength="50" /><br />
</td>
</tr>
</EditItemTemplate>
</asp:ListView>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the AdventureWorks sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the Web.config file. -->
<asp:SqlDataSource ID="ContactsDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:myConnectionString %>"
SelectCommand="SELECT standardcase, shortname, datename(month,dateadd(month, t.month - 1, 0)) as MonthName, t.id as id
from transactions t, products p where p.id=t.product_id and year = 2009 and market_id = 1 and product_id = 1"
UpdateCommand="UPDATE transactions
SET standardcase = #standardcase
WHERE id = #id"
>
</asp:SqlDataSource>
</form>
</body>
</html>
so instead of "where p.id=t.product_id and year = 2009 and market_id = 1 and product_id = 1"
I want to do "where p.id=t.product_id and year = #postYear and market_id = #postMarket and product_id = #postProduct" from the form at the top of the page.
Use the selectparameters tag of asp:sqldatasource. Exactly how you do it depends on whether you are getting the value from a control on the current page.
<asp:sqldatasource
id="SqlDataSource1"
runat="server"
connectionstring="<%$ ConnectionStrings:MyNorthwind%>"
selectcommand="SELECT standardcase, shortname, datename(month,dateadd(month, t.month - 1, 0)) as MonthName, t.id as id
from transactions t, products p where p.id=t.product_id and year = #year and market_id = #market and product_id = #product">
<selectparameters>
<asp:controlparameter name="year" controlid="DropDownList1" propertyname="SelectedValue"/>
<asp:controlparameter name="market" controlid="DropDownList1" propertyname="SelectedValue"/>
<asp:controlparameter name="products" controlid="DropDownList1" propertyname="SelectedValue"/>
</selectparameters>
</asp:sqldatasource>
Be aware that this does leave a vulnerability, see http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.sqldatasource.selectparameters(v=vs.110).aspx?cs-save-lang=1&cs-lang=vb#code-snippet-2 for more details.
The formparamter property worked for me:
http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.formparameter.formfield(v=vs.110).aspx
I may look at the controlparameter too... T
Related
I am new here and a beginner with APS and VB, I do have SQL experience. the problem I am having is I am trying to select two values in a VB aspx page.
one is a text box which can be types into, the other is a value which is selected from a drop downlist that looks as a table in my SQL database.
I want both values once entered and selected to be entered as a new row into another table of the same database, but I am getting the following error. and its driving me round in circles.
A ControlID must be specified in ControlParameter 'Product_Name'.
my code is as below, I suspect it is something simple that I am missing but I cannot see it for looking, can anyone help please?
<table style="width:100%;">
<tr>
<td>
<asp:FormView ID="FormView1" runat="server" DataSourceID="SqlDataSource1" DefaultMode="Insert">
<InsertItemTemplate>
Product_Name:
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" DataSourceID="SqlDataSource2" DataTextField="Product_Name" DataValueField="Product_Name">
</asp:DropDownList>
<ItemTemplate>
Product_Description:
<asp:TextBox ID="Product_DescriptionTextBox" runat="server" Text='<%# Bind("Product_Description") %>' />
<br />
<asp:Button ID="InsertButton" runat="server" CausesValidation="True" CommandName="Insert" Text="Insert" />
<asp:Button ID="InsertCancelButton" runat="server" CausesValidation="False" CommandName="Cancel" Text="Cancel" />
</InsertItemTemplate>
</asp:FormView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:Incident_TrackerConnectionString %>" InsertCommand="INSERT INTO [Incidents] ( [I_Product_Name], [I_Product_Description]) VALUES ( #Product_Name, #Product_Description)">
<InsertParameters>
<asp:ControlParameter Name="Product_Name" Type="String" />
<asp:Parameter Name="Product_Description" Type="String" />
</InsertParameters>
</asp:SqlDataSource>
<asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:Incident_TrackerConnectionString %>" SelectCommand="select Product_Name from dbo.products"></asp:SqlDataSource>
</td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="auto-style2"> </td>
<td class="auto-style2"></td>
<td class="auto-style2"></td>
</tr>
<tr>
<td class="auto-style1"> </td>
<td class="auto-style1"></td>
<td class="auto-style1"></td>
</tr>
</table>
<br />
<br />
<br />
Thanks Kevin
You nee to specify the ControlID & PropertyName like this:-
<InsertParameters>
<asp:ControlParameter Name="Product_Name" ControlID="DropDownList1"
PropertyName="SelectedValue" />
</InsertParameters>
Edit:-
Okay, since you are using FormView, you need to specify it like this:-
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True"
DataSourceID="SqlDataSource2" DataTextField="Product_Name"
DataValueField="Product_Name" SelectedValue=<%# Bind('Product_Name') %>>
</asp:DropDownList>
Then , bind the InsertParameters as:-
<InsertParameters>
<asp:Parameter Name="Product_Name" Type="String" />
<asp:Parameter Name="Product_Description" Type="String" />
</InsertParameters>
I have a simple GridView (with an ID of 'GridViewAttribs') which displays some values from a database.
Within my GridViewAttribs I wish to have a (nested?) ListView but for some reason I cannot use the asp:ControlParameter ControlID="GridViewAttribs" PropertyName as no results are returned in my (nested) ListView.
If I do NOT use the ControlParameter and hardcode my SELECT statement for the ListView, everything works as expected.
Here's my code:
<asp:SqlDataSource ID="SqlDataSourceAttribHeadings" runat="server"
ConnectionString="<%$ ConnectionStrings:customer_support_devConnectionString %>"
ProviderName="<%$ ConnectionStrings:customer_support_devConnectionString.ProviderName %>"
SelectCommand="SELECT equipment_attrib_heading_id, equipment_model_id, equipment_attrib_name FROM equipment_new_attrib_headings WHERE (equipment_model_id = #equipment_model_id) AND (equipment_attrib_heading_deleted = 0) ORDER BY equipment_attrib_name">
<SelectParameters>
<asp:SessionParameter DefaultValue="" Name="equipment_model_id"
SessionField="EquipmentModelID" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
<asp:GridView ID="GridViewAttribs" runat="server" AutoGenerateColumns="False"
CellPadding="4" DataKeyNames="equipment_attrib_heading_id"
DataSourceID="SqlDataSourceAttribHeadings" ForeColor="#333333" GridLines="None"
style="margin-right: 0px">
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />
<Columns>
<asp:BoundField DataField="equipment_attrib_heading_id"
HeaderText="equipment_attrib_heading_id" ReadOnly="True"
SortExpression="equipment_attrib_heading_id" />
<asp:BoundField DataField="equipment_model_id" HeaderText="equipment_model_id"
SortExpression="equipment_model_id" />
<asp:BoundField DataField="equipment_attrib_name"
HeaderText="equipment_attrib_name" SortExpression="equipment_attrib_name" />
<asp:TemplateField HeaderText="equipment_attrib_value_details" SortExpression="equipment_attrib_value_details">
<ItemTemplate>
<asp:SqlDataSource ID="SqlDataSourceAttribValues" runat="server"
ConnectionString="<%$ ConnectionStrings:customer_support_devConnectionString %>"
ProviderName="<%$ ConnectionStrings:customer_support_devConnectionString.ProviderName %>"
SelectCommand="SELECT [equipment_attrib_value_details] FROM [equipment_new_attrib_values] WHERE (equipment_attrib_heading_id = #head_id) AND (equipment_id = #equipment_id) AND (equipment_attrib_value_deleted = 0)">
<SelectParameters>
<asp:QueryStringParameter Name="equipment_id" QueryStringField="id"
Type="Int32" />
<asp:ControlParameter ControlID="GridViewAttribs"
Name="head_id" PropertyName="SelectedDataKey.Values[equipment_attrib_heading_id]" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
<asp:ListView ID="ListViewAttribValues" runat="server"
DataSourceID="SqlDataSourceAttribValues">
<EmptyDataTemplate>
<table runat="server" style="">
<tr><td>No data was returned.</td></tr>
</table>
</EmptyDataTemplate>
<ItemTemplate>
<tr style="">
<td><asp:Label ID="equipment_attrib_value_detailsLabel" runat="server" Text='<%# Eval("equipment_attrib_value_details") %>' /></td>
</tr>
</ItemTemplate>
<LayoutTemplate>
<table ID="itemPlaceholderContainer" runat="server" border="0" style="">
<tr ID="itemPlaceholder" runat="server">
</tr>
</table>
</LayoutTemplate>
</asp:ListView>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
The GridView displays all columns fine except the "equipment_attrib_value_details" column where I get "No data was returned."
However, if I take out the asp:ControlParameter which calls upon #head_id and use this hardcoded SELECT statement then I see the correct (albeit hardcoded) values:
SelectCommand="SELECT [equipment_attrib_value_details] FROM [equipment_new_attrib_values] WHERE (equipment_attrib_heading_id = 3) AND (equipment_id = #equipment_id) AND (equipment_attrib_value_deleted = 0)">
Therefore, for some reason, it would appear that the GridViewAttribs value of "equipment_attrib_heading_id" is not being passed to / picked up by the nested asp:ControlParameter
On the off chance, I've also tried replacing:
PropertyName="SelectedDataKey.Values[equipment_attrib_heading_id]"
With:
PropertyName="SelectedValue"
But this didn't resolve the issue either, still not data was returned.
If it helps, I'm using Visual Studio 2010 with ASP.NET4 (vb).
What you could try is using a hidden field and use that control for the controlparameter
<asp:TemplateField HeaderText="equipment_attrib_value_details" SortExpression="equipment_attrib_value_details">
<ItemTemplate>
<asp:HiddenField runat="server" ID="heading_id" Value='<%# Eval("equipment_attrib_heading_id") %>' />
<asp:SqlDataSource ID="SqlDataSourceAttribValues" runat="server"
ConnectionString="<%$ ConnectionStrings:customer_support_devConnectionString %>"
ProviderName="<%$ ConnectionStrings:customer_support_devConnectionString.ProviderName %>"
SelectCommand="SELECT [equipment_attrib_value_details] FROM [equipment_new_attrib_values] WHERE (equipment_attrib_heading_id = #head_id) AND (equipment_id = #equipment_id) AND (equipment_attrib_value_deleted = 0)">
<SelectParameters>
<asp:QueryStringParameter Name="equipment_id" QueryStringField="id" Type="Int32" />
<asp:ControlParameter ControlID="heading_id" Name="head_id" PropertyName="Value" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
<asp:ListView ID="ListViewAttribValues" runat="server"
DataSourceID="SqlDataSourceAttribValues">
<EmptyDataTemplate>
<table id="Table2" runat="server" style="">
<tr><td>No data was returned.</td></tr>
</table>
</EmptyDataTemplate>
<ItemTemplate>
<tr style="">
<td><asp:Label ID="equipment_attrib_value_detailsLabel" runat="server" Text='<%# Eval("equipment_attrib_value_details") %>' /></td>
</tr>
</ItemTemplate>
<LayoutTemplate>
<table ID="itemPlaceholderContainer" runat="server" border="0" style="">
<tr ID="itemPlaceholder" runat="server">
</tr>
</table>
</LayoutTemplate>
</asp:ListView>
</ItemTemplate>
</asp:TemplateField>
This only works (it seems) if the HiddenField is inside the same ItemTemplate. If the DataSource is somewhere outside the TemplateField, in cases where you want to data-populate a control that is say on another column or field of the GridView, then the HiddenField will not work, as it's technically hidden.
The way to overcome this is in code-behind. Here is how I do it...
I have a TemplateField that is referring to #StudentID, which is actually a HiddenField in another TemplateField.
<asp:TemplateField HeaderText="Currently<br/>Tracking<br/>(past weeks)">
<ItemTemplate>
<asp:CheckBoxList ID="listWeeksTracking" runat="server" DataSourceID="sdsTETpastWeeks" DataTextField="WeekNo" DataValueField="WeekNo"
OnDataBound="listWeeksTracking_DataBound" OnDataBinding="listWeeksTracking_DataBinding"></asp:CheckBoxList>
<br />
<asp:SqlDataSource ID="sdsTETpastWeeks" runat="server" ConnectionString="<%$ ConnectionStrings:ATCNTV1ConnectionString %>"
SelectCommand="SELECT tb.WeekNo, ISNULL((SELECT TOP 1 ts.ETRTWtracking FROM tblTETMeetingStudent AS ts INNER JOIN tblTETMeeting AS tm ON tm.TETmeetingID = ts.TETmeetingID AND tm.WeekNo = tb.WeekNo WHERE ts.StudentID = #StudentID),0) AS Tracking FROM tblTETInstructionalTrainingBlocks AS tb WHERE tb.WeekNo <= #WeekNo AND tb.Active = 1 AND tb.YearNum = YEAR(#TETdate) ORDER BY tb.WeekNo">
<SelectParameters>
<asp:Parameter Name="StudentID" Type="string" />
<asp:ControlParameter ControlID="ddlWeekNo" Name="WeekNo" PropertyName="SelectedValue" Type="int16" />
<asp:ControlParameter ControlID="lblTETdate" Name="TETdate" Type="DateTime" />
</SelectParameters>
</asp:SqlDataSource>
</ItemTemplate>
<ItemStyle HorizontalAlign="Center" />
<HeaderStyle Wrap="False" />
</asp:TemplateField>
So I define the #StudentID parameter as simple a parameter, and not a ControlParameter, is it won't be able to pick up the hiddenfield elsewhere in my GridView.
In code-behind (C#), I trap the Selecting event via the DataBinding.
And in there I specifically look for the row in relation to the control I've just populated (or about to), and then I look for the HiddenField.
protected void listWeeksTracking_DataBinding(object sender, EventArgs e)
{
//set the parameter for the StudentID here as using hiddenfields does not work directly in asp.net, as they are hidden!
CheckBoxList cbl1 = (CheckBoxList)sender;
GridViewRow gvRow = (GridViewRow)cbl1.NamingContainer;
if (gvRow != null)
{
SqlDataSource sdsTETpastWeeks = (SqlDataSource)gvRow.FindControl("sdsTETpastWeeks");
HiddenField hfStudentID = (HiddenField)gvRow.FindControl("hfStudentID");
if (hfStudentID != null) sdsTETpastWeeks.SelectParameters["StudentID"].DefaultValue = hfStudentID.Value.ToString();
}
}
Voila!
I have an UpdatePanel containing a ListBox. Whenever I change selection on from a DropDown I want the list to get updated via an UpdatePanel. However this is not working.
This is my code so far:
Protected Sub drpDepartments_SelectedIndexChanged(sender As Object, e As EventArgs) Handles drpDepartments.SelectedIndexChanged
Dim conn As New SqlConnection("Data Source=BRIAN-PC\SQLEXPRESS;Initial Catalog=master_db;Integrated Security=True")
Dim deptComm As String = "SELECT department_id FROM departments WHERE department_name = #DepartmentName"
Dim deptSQL As New SqlCommand
Dim dr As SqlDataReader = deptSQL.ExecuteReader()
deptSQL = New SqlCommand(deptComm, conn)
deptSQL.Parameters.AddWithValue("#DepartmentName", drpDepartments.SelectedItem.Text)
dr.Read()
If dr.HasRows Then
Dim department_id As Integer = Convert.ToInt32(dr("department_id"))
Session("DepartmentID") = department_id
End If
dr.Close()
conn.Close()
ASP
<asp:UpdatePanel ID="UpdatePanel2" runat="server">
<ContentTemplate>
<asp:ListBox ID="lstDeptMembers" runat="server" DataSourceID="SqlDataSource4" DataTextField="name" DataValueField="name" Height="176px" Width="204px"></asp:ListBox>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="drpDepartments" EventName="SelectedIndexChanged" />
</Triggers>
</asp:UpdatePanel>
<asp:SqlDataSource ID="SqlDataSource4" runat="server" ConnectionString="<%$ ConnectionStrings:ConnStringDb1 %>" SelectCommand="SELECT * FROM users u
INNER JOIN
(
Select x.user_id as userid,x.department_id,y.department_name
from user_Department x
inner join departments y
on x.department_id=y.department_id WHERE x.department_id=#parameter
)
f on u.user_id= f.userid">
<SelectParameters>
<asp:SessionParameter Name="parameter" SessionField="DepartmentID" />
</SelectParameters>
</asp:SqlDataSource>
DropDownList:
<asp:DropDownList ID="drpDepartments" runat="server" DataSourceID="SqlDataSource3" DataTextField="department_name" DataValueField="department_name">
</asp:DropDownList>
<asp:SqlDataSource ID="SqlDataSource3" runat="server" ConnectionString="<%$ ConnectionStrings:ConnStringDb1 %>" SelectCommand="SELECT [department_name] FROM [departments]"></asp:SqlDataSource>
Screenshot:
How can I make it that the ListBox updates whenever a new selection is clicked from the DropDown ?
EDIT: Code for the table that contains the ListBox etc.. :
<asp:DropDownList ID="drpDepartments" runat="server" DataSourceID="SqlDataSource3" DataTextField="department_name" DataValueField="department_name">
</asp:DropDownList>
<asp:SqlDataSource ID="SqlDataSource3" runat="server" ConnectionString="<%$ ConnectionStrings:ConnStringDb1 %>" SelectCommand="SELECT [department_name] FROM [departments]"></asp:SqlDataSource>
<br />
<br />
<table style="width:100%;">
<tr>
<td style="width: 221px">
<asp:UpdatePanel ID="UpdatePanel2" runat="server">
<ContentTemplate>
<asp:ListBox ID="lstDeptMembers" runat="server" DataSourceID="SqlDataSource4" DataTextField="name" DataValueField="name" Height="176px" Width="204px"></asp:ListBox>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="drpDepartments" EventName="SelectedIndexChanged" />
</Triggers>
</asp:UpdatePanel>
<asp:SqlDataSource ID="SqlDataSource4" runat="server" ConnectionString="<%$ ConnectionStrings:ConnStringDb1 %>" SelectCommand="SELECT * FROM users u
INNER JOIN
(
Select x.user_id as userid,x.department_id,y.department_name
from user_Department x
inner join departments y
on x.department_id=y.department_id WHERE x.department_id=#parameter
)
f on u.user_id= f.userid">
<SelectParameters>
<asp:SessionParameter Name="parameter" SessionField="DepartmentID" />
</SelectParameters>
</asp:SqlDataSource>
</td>
<td style="width: 398px">
<asp:TextBox ID="txtuserSearch" runat="server"></asp:TextBox>
<asp:Button ID="btnSearchDeptUser" runat="server" Text="Search" />
<br />
<asp:Label ID="lblAddDeptUser" runat="server" Visible="False"></asp:Label>
</td>
</tr>
<tr>
<td >
<asp:Button ID="btnRmvDeptMem" runat="server" Text="Remove" />
</td>
<td>
<asp:Button ID="btnAddDeptUser" runat="server" Text="Add" />
</td>
</tr>
</table>
Full code for Departments.aspx
If you want to update the UpdatePanel immediately when the user selects an item in the DropDownList you have to set it's AutoPostBack property to "True"(default is false):
<asp:DropDownList ID="drpDepartments" runat="server" DataSourceID="SqlDataSource3"
AutoPostack="True" DataTextField="department_name" DataValueField="department_name">
</asp:DropDownList>
try this...
Change this
<asp:UpdatePanel ID="UpdatePanel2" runat="server">
with
<asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional">
I need my own posts and comment on the page in my project, something similar to Facebook. I succesfully created posts by using sql table, sqldatasource and repeater. But I have a problem with comments.
I created sql table Comments, there is a column with Post ID. This is my code:
<asp:SqlDataSource ID="SqlDataSource3" runat="server" ConnectionString="<%$ ConnectionStrings:MotWebConnectionString %>"
SelectCommand="SELECT * FROM [Posts]
JOIN [Users] ON [Users].[UserName] = [Posts].[UserName]
JOIN [Comments] ON [Comments].[PostId] = [Posts].[PostId]
WHERE ([GroupId] = #GroupId) ">
<SelectParameters>
<asp:QueryStringParameter Name="GroupId" QueryStringField="id" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
asp:Repeater ID="Repeater1" runat="server" DataSourceID="SqlDataSource3" >
<ItemTemplate>
<table style="width: 100%;">
<tr>
<td width="10%">
<asp:Image ID="Image2" runat="server" Width="64px" Height="64px" ImageUrl='<%# Eval("ProfilePicture")%>' />
</td>
<td align="left" width="90%" >
<asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# Eval("UserName", "~/_/Profile.aspx?Username={0}")%>'><p><asp:Literal ID="Literal2" runat="server" Text='<%# Eval("Username")%>'></asp:Literal></p></asp:HyperLink>
</td>
</tr>
</table>
<asp:Literal ID="Literal3" runat="server" Text='<%# Eval("Text")%>'></asp:Literal>
<br />
<asp:Literal ID="Literal4" runat="server" Text='<%# Eval("CommentText")%>'></asp:Literal>
<asp:FormView ID="FormView2" runat="server" DataSourceID="SqlDataSource4" DefaultMode="Insert" >
<InsertItemTemplate>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" Text="Button" CommandName="Insert" />
</InsertItemTemplate>
</asp:FormView>
</ItemTemplate>
<SeparatorTemplate>
<br />
<br />
<br />
</SeparatorTemplate>
</asp:Repeater>
But it shows only posts, where is at least 1 comment and if there are more comments than 1, the posts is twice or more times on the page.
And another problem is, that I don't know how to insert right Post ID into the Comments table. It is probably by using Parameter...
My database schema (I did't know how to create it in SQL Management Studio, so it is in VS):
http://img685.imageshack.us/img685/1416/vstiekd.jpg
Please could anyone help me with this:
How to view right comments under the post and view also posts without any comment
How to insert the comment with right Post ID
I will be very thankfull for any kind of help
I would like to do the following with asp.net and C#:
An SqlDataSource fetches a list of templates from the database. Then, in a repeater, for each template a DropDownList-element is created, that contains the found types for each template. Is this possible?
<asp:SqlDataSource ID="src_template" runat="server" ConnectionString="<%$ ConnectionStrings:VConStr %>" SelectCommand="SELECT [template] FROM [template]" />
<asp:Repeater ID="rpt_template" runat="server" DataSourceID="src_template" OnItemCommand="rpt_template_ItemCommand">
<ItemTemplate>
<p>
<asp:SqlDataSource ID="src_types" runat="server" ConnectionString="<%$ ConnectionStrings:VConStr %>" SelectCommand='SELECT [type] FROM [templatetype] WHERE [template] = <%# Eval("template") %>' />
<label for="DropDownList1"><%# Eval("template") %></label>
<asp:DropDownList ID="DropDownList1" runat="server" DatasourceID="src_types" DataTextField="type" DataValueField="type" />
</p>
</ItemTemplate>
</asp:Repeater>
How do I fill the where-part correctly?
Try something like this:
<ItemTemplate>
<asp:HiddenField ID="template" runat="server"
Value='<%# Eval("template") %>'
/>
<asp:SqlDataSource ID="src_types" runat="server"
ConnectionString="<%$ ConnectionStrings:VConStr %>"
SelectCommand="SELECT [type] FROM [templatetype] WHERE [template] = #template"
>
<SelectParameters>
<asp:ControlParameter
Name="template"
Type="String"
ControlID="template"
PropertyName="Value"
/>
</SelectParameters>
</asp:SqlDataSource>
...
</ItemTemplate>