private void LoadEmployee(int did)
{
objBll.DeptId = did;
DdlEmp.DataSource = objBll.GetEmp();
DdlEmp.DataBind();
ListItem liPost1 = new ListItem("Select Employee", "-1");
DdlEmp.Items.Insert(0, liPost1);
}
private void LoadEmployee()
{
objBll.DeptId = Convert.ToInt32(DdlDept.SelectedValue);
DdlEmp.DataSource = objBll.GetEmp();
DdlEmp.DataBind();
ListItem liPost1 = new ListItem("Select Employee", "-1");
DdlEmp.Items.Insert(0, liPost1);
}