Answer Posted / kris

private List<int> IDs
{
get
{
if (this.ViewState["IDs"] == null)
{
this.ViewState["IDs"] = new List<int>();
}
return (List<int>)this.ViewState["IDs"];
}
}


protected void AddRowstoIDList()
{
int checkAction = 0;

foreach (ListViewDataItem lvi in lvUsersinGroup.Items)
{
CheckBox chkSelect =
(CheckBox)lvi.FindControl("chkSelect");
if ((((chkSelect) != null)))
{
int ID =
Convert.ToInt32(lvUsersinGroup.DataKeys[lvi.DisplayIndex].Value);


if ((chkSelect.Checked &&
!this.IDs.Contains(ID)))
{
this.IDs.Add(ID);
checkAction += 1;
}
else if ((!chkSelect.Checked &&
this.IDs.Contains(ID)))
{
this.IDs.Remove(ID);
}
}
}


}

i have a gird with columns all are coming from database,this will bind in item templete in gridview as textboxex.and i have button below named Update.i want to update all the records in the grid,but if user change the value of one textbox,what is the easy way 2 do this

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