大师:请问为何有时获取不到列标题。
Dim dt1 As DataTable = DataTables("dtpzzb")
dt1.BuildHeader
Dim cm As String
Dim scs As String = ""
Dim dcs As String = ""
For Each c As Col In t1.Cols
Dim cname As String = t1.Rows(cr)(c.Name)
If cname > "" Then
For Each dl As DataCol In dt1.DataCols
MessageBox.Show(dl.caption)
If dl.Caption = cname Then
cm = dl.Name
Exit For
End If
Next
If cm > "" Then
If dt1.DataCols.Contains(cm) Then
dcs &= cm & ","
scs &= c.Name & ","
End If
End If
End If
cm = ""
Next
请问:为何只能获取部分列标题?