| Posted by: MrHao - Tuesday, 13 August 2013 11:55:12 |
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| Hi, everybody! when I convert c # code to vb.net error occurred Compiler Error Message: BC36641: Lambda parameter 'subrow' hides a variable in an enclosing block, a previously defined range variable, or an implicitly declared variable in a query expression. Source Error: Line 273: Dim arlist As New ArrayList() Line 274: Line 275: For Each subrow In Me.SubDataSource.Rows.Cast(Of DataRow)().Where(Function(subrow) row("ForumID").ToType(Of Integer)() = subrow("ParentID").ToType(Of Integer)()) Line 276: arlist.Add(subrow) Line 277: Next And Exception Details: System.MissingMemberException: Public member 'IsNullOrEmptyDBField' on type 'DBNull' not found. Source Error: Line 76: arr = DirectCast(Me._dataSource, DataRow()) Line 77: For j As Interger = 0 To arr.Count() - 1 Line 78: If Not arr(j)("ParentID").IsNullOrEmptyDBField() Then Line 79: If Me.SubDataSource Is Nothing Then Line 80: Me.SubDataSource = arr(j).Table.Clone() can you help me ? |