private void btn_excel_Click(object sender, EventArgs e)
{
Random r = new Random();
String fileName = @"N:\Balance\EstadoFinancieroNaturaleza" + "-" + DateTime.Now.ToString("dd-MM-yyyy") + "-" + r.Next(1, 30) + ".xls";
if (cmb_anio.SelectedValue.ToString() == "2019" && cmb_Mes.SelectedValue.ToString() == "1")
{
Anio2 = "2018";
Mes2 = "12";
}
else if (cmb_Mes.SelectedValue.ToString() == "2")
{
Anio2 = "2019";
Mes2 = "1";
}
else if (cmb_Mes.SelectedValue.ToString() == "3")
{
Anio2 = "2019";
Mes2 = "2";
}
else if (cmb_Mes.SelectedValue.ToString() == "4")
{
Anio2 = "2019";
Mes2 = "3";
}
else if (cmb_Mes.SelectedValue.ToString() == "5")
{
Anio2 = "2019";
Mes2 = "4";
}
else if (cmb_Mes.SelectedValue.ToString() == "6")
{
Anio2 = "2019";
Mes2 = "5";
}
else if (cmb_Mes.SelectedValue.ToString() == "7")
{
Anio2 = "2019";
Mes2 = "6";
}
else if (cmb_Mes.SelectedValue.ToString() == "8")
{
Anio2 = "2019";
Mes2 = "7";
}
else if (cmb_Mes.SelectedValue.ToString() == "9")
{
Anio2 = "2019";
Mes2 = "8";
}
else if (cmb_Mes.SelectedValue.ToString() == "10")
{
Anio2 = "2019";
Mes2 = "9";
}
else if (cmb_Mes.SelectedValue.ToString() == "11")
{
Anio2 = "2019";
Mes2 = "10";
}
objListBalance = objAsientoDao.getBalanceGeneral(cmb_anio.SelectedValue.ToString(), cmb_Mes.SelectedValue.ToString(), Anio2.ToString(), Mes2.ToString());
btn_excel.Enabled = false;
Reporte.BalanceGeneral cr = new Reporte.BalanceGeneral();
cr.SetDataSource(objListBalance);
ExportOptions exportOpts = new ExportOptions();
ExcelFormatOptions excelFormatOpts = new ExcelFormatOptions();
DiskFileDestinationOptions diskOpts = new DiskFileDestinationOptions();
exportOpts = cr.ExportOptions;
// Set the excel format options.
excelFormatOpts.ExcelUseConstantColumnWidth = true;
excelFormatOpts.ExcelTabHasColumnHeadings = true;
excelFormatOpts.ShowGridLines = true;
excelFormatOpts.ExportPageBreaksForEachPage = true;
//excelFormatOpts.UsePageRange = true;
exportOpts.ExportFormatType = ExportFormatType.Excel;
exportOpts.FormatOptions = excelFormatOpts;
// Set the disk file options and export.
exportOpts.ExportDestinationType = ExportDestinationType.DiskFile;
diskOpts.DiskFileName = fileName;
exportOpts.DestinationOptions = diskOpts;
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
cr.Export();
btn_excel.Enabled = true;
}