我有以下代码绑定组合框电池,其工作原理properlly:设置的DataGridViewComboBoxCell价值
Const colIndex As Integer = 1
Dim dgvcombo As DataGridViewComboBoxCell
dgvcombo = gvMain.Rows(_rowindex).Cells("SerialNumber")
dtGrpBrand = getDataTable("select * from (select SSPERPSerialMaster.ProductID,SSPERPSerialMaster.SizeID,SSPERPSerialMaster.GaugeID, SSPERPSerialMaster.SerialID,SSPERPSerialMaster.SerialNumber,ISNULL(SSPERPSerialEntryOpening.Qty,0)+ISNULL(a.Stock,0) as [Closing Qty] " & _
"from SSPERPProductMaster " & _
"left join SSPERPSerialMaster on SSPERPSerialMaster.ProductID=SSPERPProductMaster.ProductID " & _
"left join SSPERPSerialEntryOpening on SSPERPSerialEntryOpening.SerialID=SSPERPSerialMaster.SerialID and SSPERPSerialMaster.ProductID=SSPERPSerialEntryOpening.ProductID " & _
"left join (select SerialId,SUM(ISNULL(case when AL='A' then Qty else - Qty end, 0)) as [Stock] from SSPERPStock group by SerialId) a on a.SerialId=SSPERPSerialMaster.SerialID) a " & _
"where a.[Closing Qty]<>0 and a.ProductID=" & gvMain.Rows(_rowindex).Cells("ProductId").Value.ToString() & " and a.SizeID=" & gvMain.Rows(_rowindex).Cells("SizeId").Value.ToString() & " and a.GaugeID=" & gvMain.Rows(_rowindex).Cells("GaugeId").Value.ToString(), CompanyCon)
dtGrpBrand.Rows.Add()
dtGrpBrand.Rows(dtGrpBrand.Rows.Count - 1)("SerialNumber") = "-- Select --"
dtGrpBrand.Rows(dtGrpBrand.Rows.Count - 1)("SerialId") = 0
dgvcombo.AutoComplete = True
CType(gvMain.Rows(_rowindex).Cells(colIndex), DataGridViewComboBoxCell).DataSource = dtGrpBrand
CType(gvMain.Rows(_rowindex).Cells(colIndex), DataGridViewComboBoxCell).DisplayMember = "SerialNumber"
CType(gvMain.Rows(_rowindex).Cells(colIndex), DataGridViewComboBoxCell).ValueMember = "SerialId"
CType(gvMain.Rows(_rowindex).Cells(colIndex), DataGridViewComboBoxCell).Value = 0
这个代码perfectlly工作,在我的应用程序,而我有数据的插入模式,但是,当用户从列表中选择记录,比我需要动态绑定“SerialNumber”的单元格, 那时候我也正确绑定datagridviewcimboboxcell通过这段代码,它绑定我的combobox单元本身,但是当我给下面的代码设置值时,它不工作,并给我错误:
gvMain.Rows(gvMain.Rows.Count - 1).Cells("SerialNumber").Value = dtrow("SerialId")
我也曾尝试下面的行获取所选的值,但没有解决办法:
CType(gvMain.Rows(gvMain.Rows.Count - 1).Cells("SerialNumber"), DataGridViewComboBoxCell).Value = dtrow("SerialId")
这里gvmain是datagridview的和dtrow是数据行
你得到的错误信息是什么? – Ahmad
参数异常的数据错误是未处理的 –