Adding Row Numbers

Posted Date: 13 Mar 2004	Resource Type: Articles	Category: ASP.NET/Web Applications
Author: Siva	Member Level: Gold
Rating:	Points: 7

Users often ask for the look and feel of Microsoft Excel in an application's data grid. One feature requested often is a set of row numbers on the grid. Using DataGrid's OnItemCreate event allows a sequential set of numbers to be added to the grid as each row is rendered.

Add a template column as the first column of the grid. As each row is rendered, the code behind the OnItemCreate event will update the text of this column based on the row index from the dataset. Each row of the dataset has an index property that can be used to compute the row number:


public void OnItemCreated(Object sender,
   DataGridItemEventArgs e)
{
  if(e.Item.ItemType ==ListItemType.Item ||
     e.Item.ItemType ==ListItemType.AlternatingItem)
   e.Item.Cells[0].Text=(e.Item.DataSetIndex+1).ToString();
}

Responses

Author: Sigen Oline Sørensen 01 Apr 2005 Member Level: Bronze Points : 0

Hey, nice trick ... I'm just starting up on .Net and I looked for this feature for some time - I could not get it to work, so I messed around with it and came up with this instead :

It seems easier to me, especially since I have to make a TemplateColumn no matter wich version I use !

Just my 2 cents,

Signe

Author: Sigen Oline Sørensen 01 Apr 2005 Member Level: Bronze Points : 0

I did not know that html would not be rendered ...heres is the code...

[Columns]
[asp:TemplateColumn HeaderText="#"]
[ItemTemplate]
[asp:Label Text='[%# Container.DataSetIndex + 1 %]' runat="server" /]
[/ItemTemplate]
[/asp:TemplateColumn]

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