با سلام
کد مربوط به btn کد زیر هست بطور کامل
private void btn_Select_Excel_Click(object sender, EventArgs e)
{
string fname = "";
OpenFileDialog fdlg = new OpenFileDialog();
fdlg.Title = "Excel File Dialog";
fdlg.Filter = "Excel Files |*.xlsx";
fdlg.RestoreDirectory = true;
if (fdlg.ShowDialog() == DialogResult.OK)
{
fname = fdlg.FileName;
}
else
{
FarsiMessage.Show("no select file .");
btn_Select_Excel.Enabled = true;
return;
}
Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();
Workbook xlWorkbook = xlApp.Workbooks.Open(fname);
_Worksheet xlWorksheet = xlWorkbook.Sheets[1];
Range xlRange = xlWorksheet.UsedRange;
int rowCount = xlRange.Rows.Count;
int colCount = xlRange.Columns.Count;
dg_Import.ColumnCount = colCount;
dg_Import.RowCount = rowCount;
for (int i = 1; i <= rowCount; i++)
{
for (int j = 1; j <= colCount; j++)
{
//write the value to the Grid
if (xlRange.Cells[i, j] != null && xlRange.Cells[i, j].Value2 != null)
{
dg_Import.Rows[i - 1].Cells[j - 1].Value = xlRange.Cells[i, j].Value2.ToString();
}
}
//add useful things here!
}
}
نمایش اطلاعات فایل اکسل حجیم در دیناگرید ویو با روش db first entity framework
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