BKI_DichVuMatDat.WinFormControls.saveFileDialog C# (CSharp) Method

        public static string saveFileDialog(string ip_file_name)
        {
            SaveFileDialog saveFileDialog1 = new SaveFileDialog();
            saveFileDialog1.Filter = "xls files (*.xls)|*.xls|All files (*.*)|*.*";
            saveFileDialog1.RestoreDirectory = true;
            saveFileDialog1.FileName = ip_file_name;
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                return saveFileDialog1.FileName;
            }
            return "";
        }