protected void ASPxGridView1_RowUpdating(object sender, DevExpress.Web.Data.ASPxDataUpdatingEventArgs e)
        {
            AcademicService acs = new AcademicService();

            acs.AcademicServiceId = Convert.ToInt32(((HiddenField)ASPxGridView1.FindEditRowCellTemplateControl((GridViewDataColumn)ASPxGridView1.Columns["AcademicServiceTypeId"], "hidEditId")).Value);
            acs.AcademicServiceTypeId = Convert.ToInt32(((ASPxComboBox)ASPxGridView1.FindEditRowCellTemplateControl((GridViewDataColumn)ASPxGridView1.Columns["AcademicServiceTypeId"], "ddEditAcademicServiceTypeId")).Value);
            acs.ValueOfService = Convert.ToInt32(((TextBox)ASPxGridView1.FindEditRowCellTemplateControl((GridViewDataColumn)ASPxGridView1.Columns["ValueOfService"], "txtEditValueOfService")).Text);

            dll_AcademicService dll = new dll_AcademicService(username, durationId);
            dll.updateData(acs);
            this.ASPxGridView1.CancelEdit();
            e.Cancel = true;
            FillGridView();
        }