C# - When Deleting The 11th Row The Grid Become Blank?
Nov 15, 2010
I have one telerik rad grid.Using a method i am filling the grid.I have enabled paging property.I have used itemtemplate-->ImageButton for delete and edit options.I have set page size as 10.Page load time it is working properly and populating the grid.After inserting 11 th row the pagination starts and it will show in next page with one record.But when i am deleting the 11th row the grid become blank.I have used dataset to bind the records.
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Jul 26, 2010
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Sep 30, 2010
I have a form that when I click the delete button I want it to refresh the grid with that record removed from the grid. Does anyone know how to do this. Is this something handled in the code behind? Here is my code for the delete button on the design page:
[Code]....
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Jun 21, 2011
i'm using this code;
Code:
Protected Sub GridView1_RowDataBound(sender As Object, e As GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.DataRow Then
Dim l As LinkButton = DirectCast(e.Row.FindControl("LinkButton1"), LinkButton)
l.Attributes.Add("onclick", "javascript:return " & "confirm('Are you sure you want to delete this record " & DataBinder.Eval(e.Row.DataItem, "CategoryID") & "')")
End If
End Sub
but i still encounter these errors:
Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
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Nov 15, 2010
i am working in MVC & using mvccontrib grid to show the result in grid format.
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Mar 17, 2011
I have created a gridview which adds a remove button through item template. I wish to know how do u remove the row from grid view dynamically depending upon the button he clicks ?
protected void RemoveBtn_OnClick(object sender, EventArgs e)
{
Button clickedButton = sender as Button;
GridViewRow row = (GridViewRow)clickedButton.Parent.Parent;
int rowID = Convert.ToInt16(row.RowIndex);
GridView1.DeleteRow(rowID);
}
<asp:GridView ID= "GridView1" runat="server" AutoGenerateColumns="true" OnRowDeleting="RowDeletingEvent">
<Columns>
<asp:TemplateField HeaderText="Remove Items">
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</ItemTemplate>
</asp:TemplateField>
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</asp:GridView>
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Mar 4, 2010
I am using user control but it appears blank
The following class is used to to Bind Grid View in User Control
[Code]....
Following is the user control .ascx file (this uses LinkTableItem class to bind GridView)
[Code]....
The Following is the .ascx.cs file
[Code]....
The following is the .aspx.cs file
[Code]....
The Grid in User controls Appears blank.
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Jun 25, 2010
I found code [URL] that allows multiple-row inserts, and tried to convert it to vb.net. I can't get the blank grid with 5 rows to show up -- for some reason the datasource won't bind.
[Code]....
Code gridview:
[Code]....
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it means
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This works wonderfully... except for one rather huge problem. Once you delete a record, if you refresh the page, the record where the first deleted record used to be gets deleted. For instance... if I have 4 records
1 Record1
2 Record2
3 Record3
4 Record4
and I delete record 2... The page reloads with (which is fine):
1 Record1
3 Record3
4 Record4
...if I then hit refresh...
1 Record1
4 Record4
I assume this is because the erroneously deleted object (record3) is now in the same hierarchical place as the old object used to be and .net therefore doesn't know the difference, the page refreshes and fires the onlick event, grabbing out the command argument of the new object and deletes based on the ID as obtained from the commandargument of the new object. This is obviously a huge problem, if a client did this it would destroy data erroneously and I'm at a loss here. Is there any way to stop this from happening? I'm not sure if there is a better way to go about doing things or not. If there isn't, I need some sort of way to tell the page not to execute the event or to cross reference the ID of the object that is intended for deletion against the object itself...
Code below for convenience...
EDIT Wrapped a LinkButton around it because I have some jquery code in here as well which stops the page execution to wait for user confirmation. Pressing "ok" continues page execution.
<asp:LinkButton ID="oDeleteLink" CssClass="oDeleteIcon" CommandName="Delete" CommandArgument='<%# Eval("iAccountID") %>' runat="server">
<asp:ImageButton ImageUrl="/files/system/icons/trash-steel-16.png" ToolTip="Delete This Account" AlternateText="Delete" ID="oDeleteIcon" runat="server" />
</asp:LinkButton>
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if (e.CommandName == "Delete") {
int ID = e.CommandArgument.ToString().Numeric();
db.SPs.SpDeleteAccount(ID).Execute();
UI.Confirm(uiBroadcast, "Account has been deleted", "300px");
BindAccounts();
}
}
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[HttpPost]
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[code]....
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