求用winform导入导出excel的方法

求用winform导入导出excel的方法！！！另外我在调试时出错！！！

2010-12-02 15:43 MEHAOKE | 分类：C#/.NET | 浏览2397次

谁能给我发关于何使用winform导入导出excel方法具体实现winform有表格直接和excel关联关于数据库导出excel种excel嵌入winform需要窗口切换要用控件
调试错误下希望高手帮忙
命名空间Microsoft.Office存类型或命名空间名称Interop(缺少程序集引用?) D:\vs\Excel\Excel\Form1.cs
错误该解决

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2010-12-02 18:08 提问者采纳

首先 先确定安装了EXCEL没有安装了 
VS能会自动添加组件 也能没有添加
没关系 因组件自己添加 

第步 添加引用 也添加组件  所有解决方案里都有引用文件夹
里点击添加引用  会看选项卡界面 点击浏览 
把excel文件夹下 Microsoft.Office.Interop.Excel.dll组件添加进去

再cs文件还得写 using Microsoft.Office.Interop.Excel;
之具体导入EXCEL 或 导出代码了 我里做了导入EXCEL 给吧
希望能帮

public void ExportTOExcel()
        {
            if (dbgname.Rows.Count == 0)
            {
                MessageBox.Show("没有数据供导出", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }
            else
            {
                SaveFileDialog saveFileDialog = new SaveFileDialog();
                saveFileDialog.Filter = "Execl files (*.xls)|*.xls";
                saveFileDialog.FilterIndex = 0;
                saveFileDialog.RestoreDirectory = true;
                saveFileDialog.CreatePrompt = true;
                saveFileDialog.Title = "导出文件保存路径";
                saveFileDialog.ShowDialog();
                string strName = saveFileDialog.FileName;
                if (strName.Length != 0)
                {
                    ToolStripProgressBar toolStripProgressBar1 = new ToolStripProgressBar();
                    toolStripProgressBar1.Visible = true;
                    System.Reflection.Missing miss = System.Reflection.Missing.Value;
                    Microsoft.Office.Interop.Excel.ApplicationClass excel = new Microsoft.Office.Interop.Excel.ApplicationClass();
                    excel.Application.Workbooks.Add(true); ;
                    excel.Visible = false;//若true则导出时候会显示EXcel界面
                    if (excel == null)
                    {
                        MessageBox.Show("EXCEL无法启动", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                        return;
                    }
                    Microsoft.Office.Interop.Excel.Workbooks books = (Microsoft.Office.Interop.Excel.Workbooks)excel.Workbooks;
                    Microsoft.Office.Interop.Excel.Workbook book = (Microsoft.Office.Interop.Excel.Workbook)(books.Add(miss));
                    Microsoft.Office.Interop.Excel.Worksheet sheet = (Microsoft.Office.Interop.Excel.Worksheet)book.ActiveSheet;
                    sheet.Name = "test";
                     
                    //生成字段名称
                    for (int i = 0; i < dbgname.ColumnCount-8; i++)
                    {
                        excel.Cells[1, i + 1] = dbgname.Columns[i].HeaderText.ToString();
                    }
                    //填充数据
                    for (int i = 0; i < dbgname.RowCount - 1; i++)
                    {
                        for (int j = 0; j < dbgname.ColumnCount - 8; j++)
                        {
                            if (dbgname[j, i].Value == typeof(string))
                            {
                                excel.Cells[i + 2, j + 1] = "" + dbgname[i, j].Value.ToString();
                            }
                            else
                            {
                                excel.Cells[i + 2, j + 1] = dbgname[j, i].Value.ToString();
                            }
                        }
                        toolStripProgressBar1.Value += 100 / dbgname.RowCount;
                    }
                    sheet.SaveAs(strName, miss, miss, miss, miss, miss, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, miss, miss, miss);
                    book.Close(false, miss, miss);
                    books.Close();
                    excel.Quit();
                     
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(sheet);
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(book);
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(books);
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);
                     
                    GC.Collect();
                    MessageBox.Show("数据已经成功导出：" + saveFileDialog.FileName.ToString(), "导出完成", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    toolStripProgressBar1.Value = 0;
                    toolStripProgressBar1.Visible = false;
                }
            }