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发生的事情是我想将数据量保存在列 qty 中，它可以在单行上工作，但是一旦您放置了多行条目，它就会在通信中出现错误，从这里开始：
索引超出范围。保存多个grIDvIEw数据时必须为非负且小于集合的大小
.Parameters.AdDWithValue("@pID",CInt(DataGrIDVIEw1.Rows(i).Cells(1).Value.ToString))
Private Sub BtnSave_Click(sender As Object,e As EventArgs) Handles BtnSave.Click
TxtReferenceNo.Text.Trim()
TxtReceiveBy.Text.Trim()
For a As Integer = 0 To DataGrIDVIEw1.Rows.Count - 1
If DataGrIDVIEw1.Rows(a).Cells(7).Value = String.Empty Then
MsgBox("Quantity must not be empty",MsgBoxStyle.Critical,"")
Exit Sub
End If
Next
Dim sdate As String = DateTimeReceived.Value.ToString("yyyy-MM-dd")
Dim d1,d2 As Date
Dim found As Boolean
d1 = sdate
d2 = Now.ToShortDateString
If d1 <> d2 Then
MsgBox("Date should should be current date","")
Exit Sub
End If
For i As Integer = 0 To DataGrIDVIEw1.Rows.Count - 1
Dim Tsql As String
Tsql = "select * from tblstockin where refno like '" & TxtReferenceNo.Text & "'"
'"' and pID like '" & DataGrIDVIEw1.Rows(i).Cells(1).Value.ToString &
'"' and sdate like '" & sdate & "'"
Con = New MysqLConnection
With Con
If .State = ConnectionState.Closed Then
.ConnectionString = StrCon
.open()
End If
End With
Comm = New MysqLCommand(Tsql,Con)
dr = Comm.ExecuteReader
dr.Read()
If dr.HasRows Then
found = True
End If
dr.Close()
Con.Close()
Try
If Not (IsNumeric(DataGrIDVIEw1.Rows(i).Cells(7).Value.ToString)) Then
MsgBox("Quantity should be numeric","")
Exit Sub
End If
Catch ex As Exception
End Try
If found = False Then
Dim sql As String
sql = "insert into tblstockin (refno,receivedby,pID,qty,sdate)
values (@refno,@receivedby,@pID,@qty,@sdate) "
'sql = "insert into tblstockin (refno,sdate) " &
'"values ('" & TxtReferenceNo.Text & "',' '" & TxtReceiveBy.Text & "',' '" & CInt(DataGrIDVIEw1.Rows(i).Cells(1).Value.ToString) & "',' '" & CInt(DataGrIDVIEw1.Rows(i).Cells(7).Value.ToString) & "',' '" & sdate & "') "
Con = New MysqLConnection
With Con
If .State = ConnectionState.Closed Then
.ConnectionString = StrCon
.open()
End If
End With
Comm = New MysqLCommand(sql,Con)
With Comm
.Parameters.Clear()
.CommandText = sql
.Parameters.AdDWithValue("@refno",TxtReferenceNo.Text)
.Parameters.AdDWithValue("@receivedby",TxtReceiveBy.Text)
.Parameters.AdDWithValue("@pID",CInt(DataGrIDVIEw1.Rows(i).Cells(1).Value.ToString))
.Parameters.AdDWithValue("@qty",CInt(DataGrIDVIEw1.Rows(i).Cells(7).Value.ToString))
.Parameters.AdDWithValue("@sdate",sdate)
End With
If MessageBox.Show("Are you sure to save Stock","",MessageBoxbuttons.YesNo,MessageBoxIcon.Question) = DialogResult.Yes Then
Dim result As Integer = Comm.ExecuteNonquery
MsgBox("Stock has been saved",MsgBoxStyle.information,"")
TxtReceiveBy.Clear()
TxtCount.Clear()
Con.Close()
Dim hsql As String
hsql = " insert into tblgenID (codeID,code) values (@codeID,@code) "
Con = New MysqLConnection
With Con
If .State = ConnectionState.Closed Then
.ConnectionString = StrCon
.open()
End If
End With
Comm = New MysqLCommand(hsql,Con)
With Comm
.Parameters.Clear()
.CommandText = hsql
.Parameters.AdDWithValue("@codeID",LblD.Text)
.Parameters.AdDWithValue("@code",TxtReferenceNo.Text)
End With
Comm.ExecuteNonquery()
Con.Close()
TxtReferenceNo.Clear()
End If
'Dim fsql As String
'fsql = "update tblproduct set qty=@qty where ID=@ID"
Dim rsql As String
rsql = "update tblproduct set qty = qty + " & CInt(DataGrIDVIEw1.Rows(i).Cells(7).Value.ToString) &
" where ID like '" & DataGrIDVIEw1.Rows(i).Cells(1).Value.ToString & "'"
'alternate code to update product quantity in product table
'will update or add the number indicated on quantity to the existing product number in table
Con = New MysqLConnection
With Con
If .State = ConnectionState.Closed Then
.ConnectionString = StrCon
.open()
End If
End With
Comm = New MysqLCommand(rsql,Con)
With Comm
.Parameters.Clear()
.CommandText = rsql
'.Parameters.AdDWithValue("@qty",CInt(DataGrIDVIEw1.Rows(i).Cells(7).Value.ToString))
'.Parameters.AdDWithValue("@ID",CInt(DataGrIDVIEw1.Rows(i).Cells(1).Value.ToString))
End With
Comm.ExecuteNonquery()
DataGrIDVIEw2.Rows.Clear()
DataGrIDVIEw1.Rows.Clear()
CbxSearch.@R_502_5990@Text()
TxtSearch.Clear()
TxtReferenceNo.Clear()
Con.Close()
Else
MsgBox("Reference no already exists","")
End If
Next
GenerateStock()
With Frm_Product_List
.LoadProductList()
End With
End Sub
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