ASPX.CS :
public bool isVisibleColumn;
protected void Page_Load(object sender, EventArgs e)
{
if (Request.QueryString["name"] != null && Request.QueryString
["name"] == "xyz")
{
isVisibleColumn = true;
}
else
{
isVisibleColumn = false;
}
this.GridView2.Columns[3].Visible = isVisibleColumn;
this.BindData();
}