How to add additional data into excel from Datagridview in Win Forms

See more:

C#

ASP.NET

C#4.0

Their is already a Excel file, in that 20row already filled. Now newly few more rows arround 50 rows. i want to append these 50 rows into already existing excel worksheet. here is code

Microsoft.Office.Interop.Excel.Application xlApp;
Microsoft.Office.Interop.Excel.Workbook xlWorkBook;
Microsoft.Office.Interop.Excel.Worksheet xlWorkSheet;
object misValue = System.Reflection.Missing.Value;

xlApp = new Microsoft.Office.Interop.Excel.Application();
xlWorkBook = xlApp.Workbooks.Add(misValue);
xlWorkSheet = (Microsoft.Office.Interop.Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);
int i = 0;
int j = 0;

for (i = 0; i <= localDGV.RowCount - 1; i++)
{
for (j = 0; j <= localDGV.ColumnCount - 1; j++)
{
DataGridViewCell cell = localDGV[j, i];
xlWorkSheet.Cells[i + 1, j + 1] = cell.Value.ToString();
}
}

xlWorkBook.SaveAs(@"E:\project\employees.xls", Microsoft.Office.Interop.Excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, misValue, misValue, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue);
xlWorkBook.Close(true, misValue, misValue);
xlApp.Quit();

releaseObject(xlWorkSheet);
releaseObject(xlWorkBook);
releaseObject(xlApp);