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将sqldatareader转变成datatable的vb.net代码

2007-07-15 08:00:00  作者:  来源:互联网  浏览次数:0  文字大小:【】【】【
简介:Public Function GetTable(ByVal _reader As System.Data.SqlClient.SqlDataReader) As System.Data.DataTable On Error Resume Next Dim _table As System.Data.DataTable = _reader.GetSchemaTable() Dim _dt ...

Public Function GetTable(ByVal _reader As System.Data.SqlClient.SqlDataReader) As System.Data.DataTable

On Error Resume Next

Dim _table As System.Data.DataTable = _reader.GetSchemaTable()

Dim _dt As System.Data.DataTable = New System.Data.DataTable()

Dim _dc As System.Data.DataColumn

Dim _row As System.Data.DataRow

Dim _al As System.Collections.ArrayList = New System.Collections.ArrayList()

Dim i = 0

For i = 0 To _table.Rows.Count() - 1

_dc = New System.Data.DataColumn()

If (Not _dt.Columns.Contains(_table.Rows(i)("ColumnName").ToString())) Then

_dc.ColumnName = _table.Rows(i)("ColumnName").ToString()

_dc.Unique = Convert.ToBoolean(_table.Rows(i)("IsUnique"))

_dc.AllowDBNull = Convert.ToBoolean(_table.Rows(i)("AllowDBNull"))

_dc.ReadOnly = Convert.ToBoolean(_table.Rows(i)("IsReadOnly"))

_dc.ReadOnly = Convert.ToBoolean(_table.Rows(i)("IsReadOnly"))

_dc.ReadOnly = Convert.ToBoolean(_table.Rows(i)("IsReadOnly"))

_dc.ReadOnly = Convert.ToBoolean(_table.Rows(i)("IsReadOnly"))

_al.Add(_dc.ColumnName)

_dt.Columns.Add(_dc)

End If

Next

While _reader.Read()

_row = _dt.NewRow()

For i = 0 To _al.Count

_row(CStr(_al(i))) = _reader(CStr(_al(i)))

Next

_dt.Rows.Add(_row)

End While

Return _dt

End Function

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