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هر دو روش رو هم استفاده کردم هر کدوم مزایا و معایب خودش رو داره:
برای استفاده از متد دومی باید یه فایل اکسل در مسیری را ایجاد کنید و نام و مسیر اون فایل رو به برنامه بدید.
private void DGV2Excel2007()
{
Microsoft.Office.Interop.Excel._Application app = new Microsoft.Office.Interop.Excel.Application();
System.Globalization.CultureInfo oldCI = System.Threading.Thread.CurrentThread.CurrentCultu re;
System.Threading.Thread.CurrentThread.CurrentCultu re = new System.Globalization.CultureInfo("en-US");
Microsoft.Office.Interop.Excel._Workbook workbook = app.Workbooks.Add(Type.Missing);
Microsoft.Office.Interop.Excel._Worksheet worksheet = null;
app.Visible = true;
try
{
worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook .Sheets["Sheet1"];
worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook .ActiveSheet;
worksheet.Name = "Exported from Ketoan";
for (int i = 1; i < dataGridView1.Columns.Count + 1; i++)
{
worksheet.Cells[1, i] = dataGridView1.Columns[i - 1].HeaderText;
}
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
for (int j = 0; j < dataGridView1.Columns.Count; j++)
{
worksheet.Cells[i + 2, j + 1] = dataGridView1.Rows[i].Cells[j].Value.ToString();
}
}
//SaveFileDialog saveFileDialog1 = new SaveFileDialog();
//string fileName = String.Empty;
//saveFileDialog1.Filter = "Excel files |*.xlsx|All files (*.*)|*.*";
//saveFileDialog1.FilterIndex = 2;
//saveFileDialog1.RestoreDirectory = true;
//if (saveFileDialog1.ShowDialog() == DialogResult.OK)
//{
// fileName = saveFileDialog1.FileName;
// workbook.SaveAs(fileName, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode. xlExclusive, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
//}
//else
// return;
}
catch (System.Exception ex)
{
}
finally
{
// app.Quit();
workbook = null;
app = null;
}
}
private void ToCsV(DataGridView dGV, string filename)
{
string stOutput = "";
// Export titles:
string sHeaders = "";
for (int j = 0; j < dGV.Columns.Count; j++)
sHeaders = sHeaders.ToString() + Convert.ToString(dGV.Columns[j].HeaderText) + "\t";
stOutput += sHeaders + "\r\n";
// Export data.
for (int i = 0; i < dGV.RowCount - 1; i++)
{
string stLine = "";
for (int j = 0; j < dGV.Rows[i].Cells.Count; j++)
stLine = stLine.ToString() + Convert.ToString(dGV.Rows[i].Cells[j].Value) + "\t";
stOutput += stLine + "\r\n";
}
Encoding utf16 = Encoding.GetEncoding(1256);
byte[] output = utf16.GetBytes(stOutput);
FileStream fs = new FileStream(filename, FileMode.Create);
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(output, 0, output.Length); //write the encoded file
bw.Flush();
bw.Close();
fs.Close();
}
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