不是这样赋值吗?那应怎么写?
Dim qsmc As WinForm.ComboBox = e.Form.Controls("棋赛名称")
Dim di1 As String = qsmc.Value
Dim m As WinForm.TextBox = e.Form.Controls("第几轮")
Dim di2 As String = m.Value
Dim bsrq As WinForm.DateTimePicker = e.Form.Controls("rq")
Dim di3 As Date = bsrq.Value
Dim Str As String = "男子组"
Dim dr As DataRow = DataTables("比赛积分").SQLfind("[棋赛名称] = '" & di1 & "'And [第几轮比赛] = '" & di2 & "'And [性别] = '男' And [分组] = '" & Str & "'")
Dim a As String = Cstr(Val(di2)-1)
Dim i2 As Integer = 1
Dim ii2 As Integer = 1
Dim dts As List(of DataRow) = DataTables("基本信息").SQLSelect("[棋赛名称] = '" & di1 & "'And [身份] = '参赛人' And [性别] = '男'")
DataTables("比赛积分").DeleteFor("[棋赛名称] is null and [第几轮比赛] is null And [分组] = '男子组'")
Dim cnt As Integer
cnt = DataTables("比赛积分").Compute("Count([姓名])", "[棋赛名称] = '" & di1 & "'And [第几轮比赛] = '" & di2 & "'And [性别] = '男' And [分组] = '" & Str & "'")
If di2 =1 And cnt = 0 Then
Do While dts.Count > 0
Dim idx As Integer = rand.Next(0,dts.Count-1)
dr = DataTables("比赛积分").AddNew
dr("桌号") = math.Ceiling((i2) / 2)
dr("日期") = di3
dr("棋赛名称") = di1
dr("第几轮比赛") = di2
dr("分组") = Str
dr("编号") = dts(idx)("编号")
dr("姓名") = dts(idx)("姓名")
dr("轮赛次数值转换") = Val(di2)
dts.RemoveAt(idx)
i2 + = 1
Loop
DataTables("比赛积分").Load
DataTables("比赛积分").Save()
DataTables("男子组").DataRows.Clear
Dim drs1 As List(of DataRow) = DataTables("比赛积分").SQLSelect("[棋赛名称] = '" & di1 & "'And [第几轮比赛] = '" & di2 & "'And [性别] = '男' And [分组] = '" & Str & "'","","桌号 Desc")
For i As Integer = 0 To drs1.Count - 1 Step 2
If i + 1 <= drs1.Count - 1
Dim nr As DataRow = DataTables("男子组").AddNew
nr("桌号") = drs1(i)("桌号")
nr("红方_编号") = drs1(i)("编号")
nr("红方_姓名") = drs1(i)("姓名")
nr("黑方_编号") = drs1(i+1)("编号")
nr("黑方_姓名") = drs1(i+1)("姓名")
End If
Next