Getting error in radgrid

[Janaki]

Hi all,
    In my radgrid there are 5 columns,and each column is having a link button in it. I need to check whether the name in column 3 is blank or not. And if the name field in the column 3 is blank I need to disable the link buttons in 4th and 5th columns. Below added my code and I am getting error with this. Please help me.

protected void GridSample_ItemDataBound(object sender, Telerik.Web.UI.GridItemEventArgs e)
{
    foreach (GridDataItem item in GridSample.Items) {
        TableCell field_name = (TableCell)item("strName");
        if (field_name.Text == null) {
            Disable link buttons in columns 4 and 5.
        }
    }
}
Thanks in advance.

[Princy]

Hi Janaki,

Try the following code snippet to disable the link buttons.

C#:

protected void RadGrid1_ItemDataBound(object sender, Telerik.Web.UI.GridItemEventArgs e)
{
    if (e.Item is GridDataItem)
    {
        GridDataItem ditem = (GridDataItem)e.Item;
        LinkButton linkbtn3 = (LinkButton)ditem["FirstName"].Controls[0];
        LinkButton linkbtn4 = (LinkButton)ditem["City"].Controls[0];
        LinkButton linkbtn5 = (LinkButton)ditem["FirstName1"].Controls[0];
        if (linkbtn3.Text == "")
        {
            linkbtn4.Enabled = false;
            linkbtn5.Enabled = false;
        }
    }
}

Thanks,
Princy.

[Janaki]

Thanks