protected void btnReturn_Click1(object sender, EventArgs e)
{
lblStatus.Text = "";
foreach (GridViewRow row in GridView1.Rows)
{
CheckBox cb = (CheckBox)row.FindControl("ckbSelBook");
if (cb.Checked)
{
IssueDAL issueDAL = new IssueDAL();
//update database when issued book is returned.
issueDAL.UpdateBook(Convert.ToInt16(row.Cells[1].Text));
lblStatus.Text = "Returned Successfully";
}
}
}