If e.Col.Name <> "颜色" Then Dim dt As DataTable = DataTables("表A") Dim dr As DataRow = dt.Find("颜色 = '" & e.Row("颜色") & "' And 尺码 = '" & e.Col.name & "'") If dr IsNot Nothing Then If IsNumeric(e.text) Then dr("数量") = e.Text Else dr("数量") = Nothing End If End If End If