c# 从DataGridVieew导出到excel

public static bool DataGridViewToExcel(DataGridView dataGridView, bool isShowExcel)

        {

            int rowsQty = dataGridView.Rows.Count;

            int colsQty = dataGridView.Columns.Count;

            int colIndex = 0;

            if (rowsQty == 0)

            {

                return false;

            }

            Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application();

            Microsoft.Office.Interop.Excel.Workbook workbook = excel.Workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);

            Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1];

            excel.Visible = isShowExcel;

            foreach (DataGridViewColumn col in dataGridView.Columns)

            {

                colIndex++;

                excel.Cells[1, colIndex] = col.Name;

            }

            object[,] objData = new object[rowsQty, colsQty];

            for (int r = 0; r < rowsQty; r++)

            {

                for (int c = 0; c < colsQty; c++)

                {

                    objData[r, c] = dataGridView.Rows[r].Cells[c].Value;

                }

            }

            Microsoft.Office.Interop.Excel.Range myRange;

            myRange = worksheet.Range[excel.Cells[2, 1], excel.Cells[rowsQty + 1, colsQty]];

            myRange.Value2 = objData;

            return true;

        }