Worksheet mSheet = (Microsoft.Office.Interop.Excel.Worksheet)mBook.Worksheets.Add(miss, miss, 1, Microsoft.Office.Interop.Excel.XlSheetType.xlWorksheet);

xlapp.Visible = false; //是否显示导出过程 ，建议关闭，否则在导出过程中鼠标点击Excel文件时会出错。

 public class ToExcel{/// <summary>/// 可以自定义导出Excel的格式，传的参数为GridView/// </summary>/// <param name="gridView"></param>/// <param name="filename"></param>public static void ExportGridViewToExcel(DevExpress.XtraGrid.Views.Grid.GridView gridView, DevExpress.XtraGrid.Views.Grid.GridView gridView1, string filename){//System.Data.DataTable dt = (System.Data.DataTable)gridView.DataSource;SaveFileDialog sfd = new SaveFileDialog();filename += DateTime.Now.ToString("yyyyMMdd") + "-" + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString();sfd.FileName = filename;sfd.Filter = "Excel files (*xls) | *.xls";sfd.RestoreDirectory = true;if (sfd.ShowDialog() == DialogResult.OK && sfd.FileName.Trim() != null){int rowIndex = 1;int rowIndex1 = 1;int colIndex = 0;int colNum = gridView.Columns.Count;System.Reflection.Missing miss = System.Reflection.Missing.Value;Microsoft.Office.Interop.Excel.Application xlapp = new Microsoft.Office.Interop.Excel.Application();xlapp.Visible = true;Microsoft.Office.Interop.Excel.Workbooks mBooks = (Microsoft.Office.Interop.Excel.Workbooks)xlapp.Workbooks;Microsoft.Office.Interop.Excel.Workbook mBook = (Microsoft.Office.Interop.Excel.Workbook)mBooks.Add(miss);Worksheet mSheet = (Microsoft.Office.Interop.Excel.Worksheet)mBook.Worksheets.Add(miss, miss, 1, Microsoft.Office.Interop.Excel.XlSheetType.xlWorksheet);Worksheet sm = mBook.Worksheets[1];sm.Name = "q";Worksheet ws = mBook.Worksheets[2];ws.Name = "B";//设置对齐方式mSheet.Cells.HorizontalAlignment = XlHAlign.xlHAlignCenter;//设置文字自动换行 //mSheet.Cells.WrapText = true;//设置第一行高度，即标题栏((Microsoft.Office.Interop.Excel.Range)mSheet.Rows["1:1", System.Type.Missing]).RowHeight = 20;//设置数据行行高度((Microsoft.Office.Interop.Excel.Range)mSheet.Rows["2:" + gridView.RowCount + 1, System.Type.Missing]).RowHeight = 16;//设置字体大小（10号字体）mSheet.Range[mSheet.Cells[1, 1], mSheet.Cells[gridView.RowCount + 1, gridView.Columns.Count]].Font.Size = 10;//设置单元格边框Microsoft.Office.Interop.Excel.Range range1 = mSheet.Range[mSheet.Cells[1, 1], mSheet.Cells[gridView.RowCount + 1, gridView.Columns.Count]];range1.Borders.LineStyle = 1;//写标题for (int row = 1; row <= gridView.Columns.Count; row++){sm.Cells[1, row] = gridView.Columns[row - 1].GetTextCaption();} //写标题for (int row = 1; row <= gridView1.Columns.Count; row++){ws.Cells[1, row] = gridView1.Columns[row - 1].GetTextCaption();}try{for (int i = 0; i < gridView.RowCount; i++){rowIndex++;colIndex = 0;for (int j = 0; j < gridView.Columns.Count; j++){colIndex++;sm.Cells[rowIndex, colIndex] = gridView.GetRowCellValue(i, gridView.Columns[j]);}} for (int i = 0; i < gridView1.RowCount; i++){rowIndex1++;colIndex = 0;for (int j = 0; j < gridView1.Columns.Count; j++){colIndex++;ws.Cells[rowIndex1, colIndex] = gridView1.GetRowCellValue(i, gridView1.Columns[j]);}}mBook.SaveAs(sfd.FileName, Microsoft.Office.Interop.Excel.XlFileFormat.xlExcel7, miss, miss, miss, miss, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange,miss, miss, miss, miss, miss);}catch (Exception ex){throw new Exception(ex.Message);}finally{mBooks.Close();xlapp.Quit();System.Runtime.InteropServices.Marshal.ReleaseComObject(mSheet);System.Runtime.InteropServices.Marshal.ReleaseComObject(mBook);                      System.Runtime.InteropServices.Marshal.ReleaseComObject(mBooks);System.Runtime.InteropServices.Marshal.ReleaseComObject(xlapp);GC.Collect();}}else{//return false;}}}