protected void grvModunManager_DataBinding(object sender, EventArgs e) { GridViewDataComboBoxColumn column = ((GridViewDataComboBoxColumn)(sender as ASPxGridView).Columns["Manager"]); DM_USERService _UserService = new DM_USERService(); column.PropertiesComboBox.DataSource = _UserService.SelectAllSYS_User_IsActive(0); column.PropertiesComboBox.TextField = "USERNAME"; column.PropertiesComboBox.ValueField = "IDUSER"; GridViewDataComboBoxColumn columnDV = ((GridViewDataComboBoxColumn)(sender as ASPxGridView).Columns["DonVi"]); DM_DVQLYService _DVService = new DM_DVQLYService(); columnDV.PropertiesComboBox.DataSource = _DVService.SelectAllDM_DVQLY(); columnDV.PropertiesComboBox.TextField = "NAME_DVIQLY"; columnDV.PropertiesComboBox.ValueField = "IDMA_DVIQLY"; }