将数据表的数据添加到现有的Excel文件中

Question

  

嗨，

     

我必须将数据从数据表中导出到现有的excel文件中。

     

无论如何，我通过创建新的excel（n + 1）成功导出了数据   文件，但是如何将数据粘贴到现有的具有   宏？

     

要求：

     

本地驱动器：“带有宏编码的excel文件”我的应用程序：   '将数据导出到宏编码的excel文件并将其粘贴为新文件   文件在服务器驱动器中，每当新文件（n + 1）   应用程序被触发。

     

示例：本地驱动器：空Macrofill.xls服务器驱动器：星期一   应用程序运行-> MondayDataMacroFile.xls                ：周二的应用程序运行-> TuesdayDataMacroFile.xls                ：N ........！

     

这是我的.cs代码，它通过创建新文件来执行数据导出：

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Forms;


namespace Excel1
{
    public class ExcelUtlity
    {
        /// <summary>
        /// FUNCTION FOR EXPORT TO EXCEL
        /// </summary>
        /// <param name="dataTable"></param>
        /// <param name="worksheetName"></param>
        /// <param name="saveAsLocation"></param>
        /// <returns></returns>
        public bool WriteDataTableToExcel(System.Data.DataTable dataTable, string worksheetName, string saveAsLocation, string ReporType)
        {
            Microsoft.Office.Interop.Excel.Application excel;
            Microsoft.Office.Interop.Excel.Workbook excelworkBook;
            Microsoft.Office.Interop.Excel.Worksheet excelSheet;
            Microsoft.Office.Interop.Excel.Range excelCellrange;

            try
            {
                // Start Excel and get Application object.
                excel = new Microsoft.Office.Interop.Excel.Application();

                // for making Excel visible
                excel.Visible = false;
                excel.DisplayAlerts = false;

                // Creation a new Workbook
                excelworkBook = excel.Workbooks.Add(Type.Missing);

                // Workk sheet
                excelSheet = (Microsoft.Office.Interop.Excel.Worksheet)excelworkBook.ActiveSheet;
                excelSheet.Name = worksheetName;


                excelSheet.Cells[1, 1] = "";
                excelSheet.Cells[1, 2] = "";
               // excelSheet.Cells[2, 1] = "a";

                // loop through each row and add values to our sheet
                int rowcount = 2;

                foreach (DataRow datarow in dataTable.Rows)
                {
                    rowcount += 1;
                    for (int i = 1; i <= dataTable.Columns.Count; i++)
                    {
                        // on the first iteration we add the column headers
                        if (rowcount == 3)
                        {
                            excelSheet.Cells[2, i] = dataTable.Columns[i - 1].ColumnName;
                            excelSheet.Cells.Font.Color = System.Drawing.Color.Black;

                        }

                        excelSheet.Cells[rowcount, i] = datarow[i - 1].ToString();

                        //for alternate rows
                        if (rowcount > 3)
                        {
                            if (i == dataTable.Columns.Count)
                            {
                                if (rowcount % 2 == 0)
                                {
                                    excelCellrange = excelSheet.Range[excelSheet.Cells[rowcount, 1], excelSheet.Cells[rowcount, dataTable.Columns.Count]];
                                    //FormattingExcelCells(excelCellrange, "#CCCCFF", System.Drawing.Color.Black,false);
                                }

                            }
                        }

                    }

                }

                // now we resize the columns
                excelCellrange = excelSheet.Range[excelSheet.Cells[1, 1], excelSheet.Cells[rowcount, dataTable.Columns.Count]];
                excelCellrange.EntireColumn.AutoFit();
               // Microsoft.Office.Interop.Excel.Borders border = excelCellrange.Borders;
               // border.LineStyle = Microsoft.Office.Interop.Excel.XlLineStyle.xlContinuous;
               // border.Weight = 1d;


                excelCellrange = excelSheet.Range[excelSheet.Cells[1, 1], excelSheet.Cells[2, dataTable.Columns.Count]];
               // FormattingExcelCells(excelCellrange, "#000099", System.Drawing.Color.White, true);


                //now save the workbook and exit Excel


                excelworkBook.SaveAs(saveAsLocation);;
                excelworkBook.Close();
                excel.Quit();
                return true;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                return false;
            }
            finally
            {
                excelSheet = null;
                excelCellrange = null;
                excelworkBook = null;
            }

        }

        /// <summary>
        /// FUNCTION FOR FORMATTING EXCEL CELLS
        /// </summary>
        /// <param name="range"></param>
        /// <param name="HTMLcolorCode"></param>
        /// <param name="fontColor"></param>
        /// <param name="IsFontbool"></param>
        public void FormattingExcelCells(Microsoft.Office.Interop.Excel.Range range, string HTMLcolorCode, System.Drawing.Color fontColor, bool IsFontbool)
        {
            range.Interior.Color = System.Drawing.ColorTranslator.FromHtml(HTMLcolorCode);
            range.Font.Color = System.Drawing.ColorTranslator.ToOle(fontColor);
            if (IsFontbool == true)
            {
                range.Font.Bold = IsFontbool;
            }
        }

    }
}

  

这是我的代码，该代码导出数据并创建文件：

string date = DateTime.Now.Date.ToShortDateString();
date = date.Replace(@"/", @"-");

            Excel1.ExcelUtlity obj = new Excel1.ExcelUtlity();

            obj.WriteDataTableToExcel(GetTable(), "Person Details", @"\\10.188.10.50\Biometric Upload\" + date + ".xlsx","");

  

请帮助...！