i have AutoGenrated SerialNo of my Gridview in RowDatabound event like below..
protected void Gdview_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
Label lblSerial = (Label)e.Row.FindControl("lblSRNO");
lblSerial.Text = "S" + ((Gdview.PageIndex * Gdview.PageSize) + e.Row.RowIndex + 1).ToString();
}
}
Now i Want to Add this Text to my SQL Column..this SeirlNo is first Column ,,i followed Below procedure to add the values to the Sql Table...
protected void Button1_Click(object sender, EventArgs e)
{
string strOrganization = txtOrganization.Text;
string strOrigin = txtOrigin.Text;
string strLoc = TexLocation.Text;
string strService = TxtService.Text;
string strEst = TxtEstablish.Text;
//SqlCommand cmd = new SqlCommand ("Insert into mpSoftware Organization='"+strOrganization+"'",Origin='"++"',Location='"++"',Service='"++"',Est='"++"' Where SerialNo='"++"');
.....
....
...
But here i strucked..i fogotted that SerialNo is autogenrated..how wud i get the SerialNo value here???? Give me some valuable suggestions plz...
}
Add a public property to hold the value of the Serial No when it is generated. Then pass that value into your sqlCommand
Related
I have gridview with a Rowcommand event that let's me get the column ActivityID cell value and puts it in a private string called ActivityIDString.
private string ActivityIDString; // To be used in btUpdate
protected void gwActivity_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Page") return;
GridViewRow row = ((e.CommandSource as Control).NamingContainer as GridViewRow);
string ActivityID = row.Cells[1].Text;
ActivityIDString = ActivityID;
}
This all works when the row is selected however when i press my "btUpdate" button the ActivityIDString becomes NULL.
protected void btUpdate_Click(object sender, EventArgs e)
{
string CS = ConfigurationManager.ConnectionStrings["DBCS"].ConnectionString;
using (SqlConnection con = new SqlConnection(CS))
{
SqlCommand cmd = new SqlCommand("sp_tblActivityUpdate", con);
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("#ActivityID", ActivityIDString);
con.Open();
cmd.ExecuteNonQuery();
BindGridviewActivity();
}
}
I understand the issue and why it becomes NULL but I don't know exactly how to solve this issue and where to use the ViewState.
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ViewState["ActivityIDStringText"] = "ActivityIDString"; // <-- SHOULD I CREATE THIS?????
}
}
this method should be something like this
protected void gwActivity_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Page") return;
GridViewRow row = ((e.CommandSource as Control).NamingContainer as GridViewRow);
string ActivityID = row.Cells[1].Text;
ViewState["ActivityIDString"] = ActivityID;
}
then retrieve it in button method
protected void btUpdate_Click(object sender, EventArgs e)
{
string CS = ConfigurationManager.ConnectionStrings["DBCS"].ConnectionString;
string ActivityIDString= Convert.ToString(ViewState["ActivityIDString"]);
using (SqlConnection con = new SqlConnection(CS))
{
SqlCommand cmd = new SqlCommand("sp_tblActivityUpdate", con);
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("#ActivityID", ActivityIDString);
con.Open();
cmd.ExecuteNonQuery();
BindGridviewActivity();
}
}
You can use Session here. Whenever a row is selected add the ID in the session and retrieve the value of the session object in the btUpdate click event and then null the session .
Inside the gwActivity_RowCommand()
Session["ActivityId"] += ";ActivityId";
and inside btUpdate_Click()
if(Session["ActivityId"]!=null){
var ActivityIds = Session["ActivityId"].Split(';'); // For Mulitple Ids if Required
Session["ActivityId"] = null;
}
Hi Friends wish you all Happy New Year 2017!
I am displaying records in grid and i have code to select the row and display records in text boxes as per selected row.
I have Edit Button to edit records in grid row but when i click on text box (edit mode) to enter value it is showing error because the "select row" event is still active.
Any help how to remove the select row action when edit button is clicked.
// click on the row to select and display records in text boxes
protected void gvUsrEdit_SelectedIndexChanged(object sender, EventArgs e)
{
GridViewRow row = gvUsrEdit.SelectedRow;
Label l1 = row.FindControl("Label1") as Label;
Label l2 = row.FindControl("Label2") as Label;
i_TranInputID.Text = l1.Text;
tReason.Text = l11.Text;
gvUsrEdit.Visible = false;
}
protected void gvUsrEdit_RowEditing(object sender, GridViewEditEventArgs e)
{
gvUsrEdit.EditIndex = e.NewEditIndex;
show1();
}
public void show1()
{
string strquery = "select * from btaprs2 where vEmpID=#d1 and vQuarter=#d2 and vyear1=#d3 and tKRA=#d4 and v10='Active' ";
con.Open();
SqlCommand cmd = new SqlCommand(strquery, con);
try
{
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
gvUsrEdit.DataSource = ds;
gvUsrEdit.DataBind();
con.Close();
}
catch (Exception ex)
{
Response.Write(ex);
Label46.Text = "Error in page please check!";
}
}
You need to change the RowIndex.
protected void gvUsrEdit_RowEditing(object sender, GridViewEditEventArgs e)
{
gvUsrEdit.EditIndex = -1;
show1();
}
I would suggest to Edit the rows this way:
You may want to use RowUpdating method like this:
protected void gvUsrEdit_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
i_TranInputID.Text = ((Label)gvUsrEdit.Rows[e.RowIndex].FindControl("Label1") ).Text;
tReason.Text = ((Label)gvUsrEdit.Rows[e.RowIndex].FindControl("Label2")).Text;
tReason.Text = l11.Text;
gvUsrEdit.EditIndex = -1;
show1();
}
I have a DropDownList which is having few list items. Every time I select any item, based on it I am binding a gridview, hence resulting gridview depends on my selection. Some results are exceeding the pagesize hence I need to navigate on 2nd page in GridView, however the GridView is disappeating when I am selecting 2nd page.
protected void DDL_SelectedIndexChanged(object sender, EventArgs e)
{
string constr = ConfigurationSettings.AppSettings["ConnectionInfo"];
SqlConnection con = new SqlConnection(constr);
con.Open();
string str = string.Empty;
str = "SELECT * FROM Table1";
SqlDataAdapter adp = new SqlDataAdapter(str, con);
DataSet ds = new DataSet();
adp.Fill(ds, "myds");
BusinessKPIGrid.DataSource = ds;
BusinessKPIGrid.DataBind();
}
protected void OnGridViewPaging(object sender, GridViewPageEventArgs e)
{
//I know I need to bind the gridview here, but how ?
BusinessKPIGrid.PageIndex = e.NewPageIndex;
BusinessKPIGrid.DataBind();
}
I don't know how to bind the gridview in paging event, since I do not have any separate binding function.
there is a separate function for page event for grid view..create separate method for binding grid & call that method on pageindexchange event..
protected void BusinessKPIGrid_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
BusinessKPIGrid.PageIndex = e.NewPageIndex;
bindyourgrid();
}
try this
protected void DDL_SelectedIndexChanged(object sender, EventArgs e)
{
string constr = ConfigurationSettings.AppSettings["ConnectionInfo"];
SqlConnection con = new SqlConnection(constr);
con.Open();
string str = string.Empty;
str = "SELECT * FROM Table1";
SqlDataAdapter adp = new SqlDataAdapter(str, con);
DataSet ds = new DataSet();
adp.Fill(ds, "myds");
ViewState["ds"]=ds;
BusinessKPIGrid.DataSource = ds;
BusinessKPIGrid.DataBind();
}
protected void OnGridViewPaging(object sender, GridViewPageEventArgs e)
{
//I know I need to bind the gridview here, but how ?
BusinessKPIGrid.PageIndex = e.NewPageIndex;
BusinessKPIGrid.DataSource = (DataSet)ViewState["ds"];
BusinessKPIGrid.DataBind();
}
From DDL_SelectedIndexChanged if you are searching some thing then use 'PageIndexChanging' and set the page size for it
protected void gvworker_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
gvworker.PageIndex = e.NewPageIndex;
//result got from ddl list i.e bind your data set
}
I have a ListBox in my webpage that is bound from database in this way:
ListBox1.DataTextField = "Text";
ListBox1.DataValueField = "MenuID";
ListBox1.DataSource = SqlHelper.ExecuteReader(DAL.DALBase.ConnectionString, "GetMenu");
ListBox1.DataBind();
I want to get selected item value and used this code but have a error and does not worked.
ListBox1.SelectedValue;
Forgive me if I have problems on how to write because my English is not good.
Can you be more specific on the error you are getting?
Using ListBox1.SelectedValue should work.
For example:
int mySelectedValue = int.Parse(ListBox1.SelectedValue);
or
string mySelectedValue = ListBox1.SelectedValue;
Edit
Added code to ensure the original poster was keeping values in ListBox databound.
protected void Page_Load( object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
BindListBox();
}
}
private BindListBox()
{
ListBox1.DataTextField = "Text";
ListBox1.DataValueField = "MenuID";
ListBox1.DataSource = SqlHelper.ExecuteReader(DAL.DALBase.ConnectionString, "GetMenu");
ListBox1.DataBind();
}
protected void SomeButton_Click( object sender, EventArgs e)
{
string mySelectedValue = ListBox1.SelectedValue;
}
I am doing something wrong in this small code
Page1: `
protected void GridView1_OnRowDataBound(object sender, GridViewRowEventArgs e)
{
UserType = DDlUserType.SelectedItem.Text;
if (e.Row.RowType == DataControlRowType.DataRow)
{
// Get the value in the hyperlink column.
string HyperLinkValue = e.Row.Cells[1].Text;
HyperLink myLink = new HyperLink();
myLink.NavigateUrl = "~/ShowMMBProfileStats1.aspx?Profile_ID={0}";
myLink.Text = HyperLinkValue;
}
In ShowMMBProfileStats1.aspx
protected void Page_Load(object sender, EventArgs e)
{
int MMBProfileID = Convert.ToInt32(Request.QueryString[0]);
}
It gives me an error
Input string was not in a correct
format.
In the aspx page, I am assigning datakeynames="Profile_ID"
How do I carry this Profile_ID to page1.
`
Thanks
Sun
Try the following:
myLink.NavigateUrl =
"~/ShowMMBProfileStats1.aspx?Profile_ID=" + e.Row.Cells[profileIDCellIndex].Text;
You're not setting the value for {0}. Try something like this:
myLink.NavigateUrl =
String.Format("~/ShowMMBProfileStats1.aspx?Profile_ID={0}", HyperLinkValue );
or
myLink.NavigateUrl = "~/ShowMMBProfileStats1.aspx?Profile_ID=" + HyperLinkValue ;