How To Get CheckBox In GridView (Note:CheckBox Dont Have ID)?!!

protected void grvPGIS_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
           CheckBox chk= (CheckBox )e.Row.FindControl("CheckBoxID");
           
        }
    }

Depends on where you wanna find, either in RowCommand or RowDataBound or anywhere else. In RowCommand and RowDataBound you can try casting e.Item as your DataRow. If you want to get it in other event try looping through it and use FindControl function to find your checkbox with the id.
Try this:

foreach(var item in GridView1.Items)
{
     CheckBox chk=(CheckBox)item.FindControl("CheckBox1");
     //Do your job here.
}

In the gridview events try using e.Item.FindControl("CheckBox1") but make sure that e.Item is your gridview DataItem.


--Amit