private void AddRecord() 
 {
     try
     {
         var ml = new Employee_ML()
         {
             EmpName = txtName.Value,
             EmpPhone = txtMobile.Value,
             EmpEmail = txtEmail.Value,
             EmpBranch = txtBranch.Value
         };
         var result = new Employee_BL().AddEmployee(ml);
         if (result)
         {
             GetEmployees();
         }
     }
     catch (Exception)
     {
         
         throw;
     }
 }
        protected void btnUpdate_ServerClick(object sender, EventArgs e)
        {
            try
            {
                var ml = new Employee_ML()
                {
                    EmpId = (Int32)gridEmployees.GetSelectedFieldValues("EmpId")[0],
                    EmpName = txtName.Value,
                    EmpPhone = txtMobile.Value,
                    EmpEmail = txtEmail.Value,
                    EmpBranch = txtBranch.Value
                };
                var result = new Employee_BL().UpdateEmployee(ml);
                if (result)
                {
                    GetEmployees();
                }
            }
            catch (Exception)
            {

                throw;
            }
        }