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  • Export to excel(C#)

    Private void ExportToExcel(ByVal MyTab As DataTable, ByVal strRptName As String, ByVal strReportTemplate As String, ByVal strReportHeader As String) As bool

            Dim XLApplication As New Excel.Application
            Dim XLBook As Excel.Workbook
            Dim XLSheet As Excel.Worksheet

            Dim IRow, ICol As Int32
            Dim i, j As Int32


            try {

                "  Operation File
                if ( Dir(strReportTemplate) = "" )
                    MsgBox("Can ! find out REPORT TEMPLATE!!", MsgBoxStyle.Exclamation, "Oracle Report")
                    Exit function
                Else
                    FileCopy(strReportTemplate, strRptName)
                } if (

                IRow = MyTab.Rows.Count
                ICol = MyTab.Columns.Count

                Dim DataArray(IRow, ICol) As Object
                Dim StrValue As String

                XLBook = XLApplication.Workbooks.Open(strRptName)  "'open a .xls file
                XLSheet = XLBook.Worksheets(1)

                for ( i = 0 ; GAIS <= MyTab.Rows.Count - 1

                    for ( j = 0 ; GAIS <= MyTab.Columns.Count - 1

                        StrValue = IIf(IsDBNull(MyTab.Rows(i).Item(j)), "", MyTab.Rows(i).Item(j))
                        DataArray(i, j) = StrValue

                    Next

                Next

                'Fill the Caption
                for ( i = 0 ; GAIS <= MyTab.Columns.Count - 1
                    XLSheet.Cells(3, i + 1) = MyTab.Columns(i).Caption
                Next

                XLSheet.Range("A2").Value = strReportHeader

                XLSheet.Range("A4").Resize(IRow, ICol).Value = DataArray 'Fill the value

                XLBook.Save()
                XLSheet = Nothing
                XLBook = Nothing
                XLApplication.Quit()
                XLApplication = Nothing
                GC.Collect()


            Catch ex As Exception
                MessageBox.Show(" Data Extraction Error! Pls contact MIS!!!", "Oracle Report")
                ExportToExcel = False
                Exit function

            } try {

            ExportToExcel = True

        }

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  • 原文地址:https://www.cnblogs.com/flyerca/p/2021760.html
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