protected void ASPxGridView1_RowInserting(object sender, DevExpress.Web.Data.ASPxDataInsertingEventArgs e)
        {
            AcademicService acs = new AcademicService();

            acs.UserName = username;
            acs.DurationId = durationId;

            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.insertData(acs);
            e.Cancel = true;
            ASPxGridView1.CancelEdit();
            FillGridView();
        }