OpenFileDialog fileDialog1 = new OpenFileDialog(); fileDialog1.InitialDirectory = "d://"; fileDialog1.Filter = "xls files (*.xls)|*.xls|All files (*.*)|*.*"; fileDialog1.FilterIndex = 1; fileDialog1.RestoreDirectory = true; if (fileDialog1.ShowDialog() == DialogResult.OK) { textBox1.Text = fileDialog1.FileName; } else { textBox1.Text = ""; }
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