Lead the data out to excel(2)

    Public Shared Function DownLoadExcelToClient()Function DownLoadExcelToClient(ByVal FileName As String, ByVal TmpStr As String) As Boolean
        DownLoadExcelToClient = True

        Dim xlApp As Object
        Dim xlBook As Object
        Dim xlSheet As Object

        Try
            xlApp = CreateObject("Excel.Application")
            xlBook = xlApp.Workbooks.Add
            xlSheet = xlBook.Worksheets(1)
        Catch ex As Exception
            DownLoadExcelToClient = False
            Exit Function
        End Try

        Dim rowIndex As Integer = 0
        Dim colIndex As Integer = 0
        Dim iSheet As Integer, arrSheet As Array
        Dim Arr As Array, brr As Array
        Dim i As Integer, j As Integer

        If TmpStr <> "" Then
            arrSheet = Split(TmpStr, SHEET_SPLITOR)
            For iSheet = 0 To UBound(arrSheet)
                If iSheet > 2 Then
                    xlSheet = xlBook.Sheets.Add
                Else
                    xlSheet = xlBook.Sheets(iSheet + 1)
                End If
                rowIndex = 0
                Arr = Split(arrSheet(iSheet), RECORD_SPLITOR)
                For i = 0 To UBound(Arr)
                    rowIndex = rowIndex + 1
                    colIndex = 0
                    brr = Split(Arr(i), FIELD_SPLITOR)
                    For j = 0 To UBound(brr)
                        colIndex = colIndex + 1
                        xlSheet.Cells(rowIndex, colIndex).NumberFormatLocal = "@"
                        xlSheet.Cells(rowIndex, colIndex) = brr(j)
                    Next
                Next
            Next
        End If

        xlBook.Sheets(1).Application.Visible = True   '置为可见


        Try
            '删除服务端临时文件: download.xls
            If File.Exists(FileName) = True Then
                File.Delete(FileName)
            End If
        Catch ex As Exception
            DownLoadExcelToClient = False
            Exit Function
        End Try

        '在服务端保存download.xls
        xlBook.SaveAs(FileName)
        xlApp.Quit()

        '杀死Excel进程
        Dim myproc As System.Diagnostics.Process = New System.Diagnostics.Process
        Dim proc As Process
        Dim procs() As Process = Process.GetProcessesByName("excel")   '得到所有打开的进程
        Try
            For Each proc In procs
                If Not proc.CloseMainWindow() Then
                    proc.Kill()
                End If
            Next
        Catch
        End Try

    End Function