openFileDialog属性配置

  using (openFileDialog = new OpenFileDialog())
            {
                openFileDialog.Filter = "Excel文件（*.xls；*.xlsx）|*.xls;*.xlsx|所有文件|*.*";
                openFileDialog.ValidateNames = true;
                openFileDialog.CheckPathExists = true;
                openFileDialog.CheckFileExists = true;
                openFileDialog.Multiselect = false;
                if (openFileDialog.ShowDialog() == DialogResult.OK)
                {
                    txtParcelTablePath.Text = openFileDialog.FileName;
                }
            }