سلام از اين كد براي Import :
private void button2_Click(object sender, EventArgs e)
{
String constr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" +txt_Masir.Text +";Extended Properties=\"Excel 8.0;HDR=YES;\";";
OleDbConnection con = new OleDbConnection(constr);
OleDbDataAdapter Adapter = new OleDbDataAdapter("Select * From [" + Txt_Sheet.Text+ "$]", con);
System.Data.DataTable data = new System.Data.DataTable();
Adapter.Fill(data);
dataGridViewExcel.DataSource = data;
}
وبراي Export :
private void btn_ConvertToExcel_Click(object sender, EventArgs e)
{
object mis = System.Reflection.Missing.Value;
Microsoft.Office.Interop.Excel._Application app = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel._Workbook workbook = app.Workbooks.Add(Type.Missing);
Microsoft.Office.Interop.Excel._Worksheet worksheet = null;
app.Visible = false;
worksheet = (Worksheet)workbook.Sheets["Sheet1"];
worksheet = (Worksheet)workbook.ActiveSheet;
worksheet.Name = "Export";
for (int i = 1; i < dataGridViewTelephone.Columns.Count + 1; i++)
{
worksheet.Cells[1, i] = dataGridViewTelephone.Columns[i - 1].HeaderText;
}
for (int i = 0; i < dataGridViewTelephone.Rows.Count - 1; i++)
{
for (int j = 0; j < dataGridViewTelephone.Columns.Count; j++)
{
worksheet.Cells[i + 2, j + 1] = dataGridViewTelephone.Rows[i].Cells[j].Value.ToString();
}
}
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "Excel Document(*.xlsx)|*.xlsx";
sfd.FileName = "Export";
if (sfd.ShowDialog() == DialogResult.OK)
{
workbook.SaveAs(sfd.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);
}
app.Quit();
}