Using Checkbox In Template Column - Denying Multiple Selections?

Mar 11, 2011

I have the followingh scenario where I have a radgrid and inside it, I have a template column containing a check box:


However, I only really want the user to be able to select one checkbox at a time.

Therefore, how to I go about ensuring that the any previous 'checks' are removed or stopping multiple checking altogether?

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I have a gridview control

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like this in a function in AddColumns button clickevent

Dim chkCol As New TemplateField
chkCol.ItemStyle.Width = 20
chkCol.ItemStyle.HorizontalAlign = HorizontalAlign.Center


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Protected Sub gv_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles gv.RowDataBound
If e.Row.RowType = DataControlRowType.DataRow Then
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End If
End Sub

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End If
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But here i am not getting Check box even i used find control. how i get checkbox

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private void BindCheckBoxList()
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SqlConnection connection = new SqlConnection(GetConnectionString());
string sqlStatement = "SELECT * FROM boby";
SqlCommand sqlCmd = new SqlCommand(sqlStatement, connection);
SqlDataAdapter sqlDa = new SqlDataAdapter(sqlCmd);
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string msg = "Fetch Error:";
msg += ex.Message;
throw new Exception(msg);
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SqlCommand cmd;
string sqlStatement = string.Empty;
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cmd.CommandType = CommandType.Text;
catch (System.Data.SqlClient.SqlException ex)
string msg = "Insert/Update error";
msg += ex.Message;
throw new Exception(msg);
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if (!Page.IsPostBack)
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