I am getting user list using Membership.GetAllUsers() function. And I bind this data in a grid view.
But I cannot find the roles information here. I need to show the roles in that grid view.
What should I do ?
Roles.GetRolesForUser(user)
http://msdn.microsoft.com/en-us/library/8h930x07.aspx
UPDATE
This is going to be pretty slow if you have a lot of users
GridView.RowDataBound += new GridViewRowEventHandler(GridView_RowDataBound);
void GridView_RowDataBound(object sender, GridViewRowEventArgs e) {
GridView gridview = (GridView)sender;
if (e.Row.RowType == DataControlRowType.DataRow) {
string username = DataBinder.Eval(e.Row.DataItem, "yourusernamecolumn").ToString();
Literal c = new Literal();
c.Text = Roles.GetRolesForUser(username).ToString(); //decide how you want to display the list
e.Row.Cells[somecolumnindex].Controls.Add(c);
}
}
It might be better to read straight from your role-to-member table.
Use RoleProvider.GetAllRoles().
Related
I can successfully select the data I want to update to another page and populate my text boxes but if I set the selected values to my textbox and then try to update it wouldn't work and the same data is shown in database table.
However if I DO NOT set those values to my textboxes, then I can successfully update which is not what I am after.
I would like the user to see the data and record that s being updated
Here is my code:
protected void Page_Load(object sender, EventArgs e)
{
UserClassesDataContext db= new UserClassesDataContext();
var qr = from user in db.Users
where user.user_id == new Guid(Request.QueryString["user_id"])
select user;
foreach (var q in qr)
{
TextBox1.Text = q.user_name;
TextBox2.Text = q.password;
}
}
protected void Button1_Click(object sender, EventArgs e)
{
UserClassesDataContext db = new UserClassesDataContext();
var qr = from user in db.Users
where user.user_id == new Guid(Request.QueryString["user_id"])
select user;
foreach (var q in qr)
{
q.user_name = TextBox1.Text;
q.password = TextBox2.Text;
}
db.SubmitChanges();
Response.Redirect("Default.aspx");
}
What am I doing wrong?
Thanks
The problem is, when you submit the button, the code inside Page_Load event is executing again.That means it is reading the data from your table and setting the value to textboxes(thus overwriting what user updated via the form ) and you are updating your record with this values (original values). So basically you are updating the rows with same values.
You can use the Page.IsPostBack property to determine whether the event is occurred by a postback(button click) or initial page load.
This should fix it.
protected void Page_Load(object sender, EventArgs e)
{
if(!Page.IsPostBack)
{
// to do: read and set to textbox here.
}
}
I trying get some programmatically inserted textboxes (inserted into a gridview) to do a textChange partial update. It is sort of working but it does not automatically calls textEntered() method after I typed some text in these textboxes. I got a clue that I might need to use AJAX and things like updatepanels but I just don't fully understand how they will work in the context of what I am trying to do.
protected void OnRowDataBound(object sender, GridViewRowEventArgs e)
{
if (!e.Row.Cells[4].Text.Equals(" ") && firstTime == false)
{
TextBox tb = new TextBox();
tb.Text = e.Row.Cells[4].Text;
tb.TextChanged += new EventHandler(textEntered);
textBoxArray.Add(tb);
int length = textBoxArray.Count - 1;
tb = (TextBox)textBoxArray[textBoxArray.Count - 1];
e.Row.Cells[4].Text = null;
e.Row.Cells[4].Controls.Add(tb);
Cache["textBoxArray"] = textBoxArray;
} firstTime = false;
}
protected void textEntered(object sender, EventArgs e)
{
lbl_test.Text += "test";//This line is for testing purposes
}
auto postback of textbox is true or false? make it true.
I am trying to change fields to a Checkbox inside a GridView.
I currently create Grid Columns Dynamically based on a query and some of the columns I want to change to a checkbox so it can be checked/unchecked by the user. I know I cant do this via .aspx page using but I am trying to stay away from statically creating the fields.
Any help would be great.
Make use of GridView's RowDataBound Event. Thus you can add any control to your GridView.
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
CheckBox chk1 = new CheckBox();
chk1.ID = "chkbox1";
e.Row.Cells[0].Controls.Add(chk1);
}
}
Edit for Comment:
Once you passed the values from database to gridview (out of scope for this question), You can access the values using e.Row.Cells[i].Text where "i" is the row.
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
TextBox txt1 = new TextBox();
txt1.Text = e.Row.Cells[0].Text;
e.Row.Cells[0].Controls.Add(txt1);
}
}
I have a textbox, button and a gridview. The gridview will display the username depending on the email address written in the textbox. I want to store this username in a variable. How can i do tht? If there are many usernames in the gridview, i want to store then in an array. How can I do that too?
I got the solution
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
for (int i = 0; i < GridView1.Rows.Count; i++)
{
string Users = GridView1.Rows[i].Cells[0].Text;
}
}
U can store these details in database by writing insert statements inside for loop
I have a formview that on page load makes a call to a sql server and retrieves 5 records which I want the formview to paginate though.
I have sucessfully connected to the db, filled a dataset, and returned data when the web page renders. The problem is that when I move to a new page, the data does not change in the databound field.
Here is my code:
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
conn = new SqlConnection(connstr);
ds = new DataSet();
da = new SqlDataAdapter("call to stored proc", conn);
try
{
conn.Open();
da.Fill(ds, "m");
FormView1.DataSource = ds;
FormView1.DataKeyNames = new string[] { "PropKey" };
FormView1.DataBind();
}
catch (Exception ex)
{
Result = ex.Message;
}
finally
{
conn.Close();
}
}
Next when the paginate buttons are clicked I have this:
protected void FormView1_PageIndexChanging1(object sender, FormViewPageEventArgs e)
{
FormView1.PageIndex = e.NewPageIndex;
}
Please help,
Thanks
You will need to bind the data to the FormView just after setting the new page index like below.
protected void FormView1_PageIndexChanging1(object sender, FormViewPageEventArgs e)
{
FormView1.PageIndex = e.NewPageIndex;
BindFormViewData();
}
This is required because the FormView only displays the data for the active record and does not store any other records from the datasource, so upon change of the page index, the datasource is required to be bound again. See: Paging in a FormView Web Server Control
From the above link:
If the FormView control is bound to a data source control, or to any
data structure that implements the ICollection interface (including
datasets), the control gets all the records from the data source,
displays the record for the current page, and discards the rest. When
the user moves to another page, the FormView control repeats the
process, displaying a different record.
Hope this helps.