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Old May 22nd, 2006, 11:25 AM
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Default Need help in exporting memo fields to CSV file

Hi Everyone:

I was trying to export a memo field from an Access file to CSV (comma separated value) file using C#. But the code is not producing the desired result because the memo field is getting broken into several cells.

The field "Description" is a memo field. I have the memo field in a temporary file called "ds". I am not able to send this field to the CSV file.

I'll explain a little bit about what i am doing in the "for" loop. I was trying to convert all the fields to string and keep each of the field in quotes so that if any filed has a comma within it that field won't get divided into two different field when the file is opened in excel.

I'd really appreciate if anyone could suggest a solution.

Thanks in Advance.

Satya



        private void bt_export2excel_Click(object sender, EventArgs e)
        {
            String PerfData = "";
            String filename = "";

            try
            {
                using (SqlCommand HFcomm = new SqlCommand(" SELECT F20, F1, F2,F3,F4,F5,F6,F7, F9, F10,F11, Description FROM Information INNER JOIN SPVendor ON Information.DataVendorName=SPVendor.DataVendorName and Information.DataVendorID=SPVendor.DataVendorID WHERE SPVendor.GID= " + this.gid, this.HFconn))
                {
                    SqlDataAdapter adapt = new SqlDataAdapter();
                    DataSet ds = new DataSet();
                    adapt.SelectCommand = HFcomm;
                    adapt.Fill(ds);

                    using (SaveFileDialog savefile = new SaveFileDialog())
                    {
                        savefile.Filter = "CSV files (*.csv)|*.csv";
                        savefile.RestoreDirectory = true;
                        savefile.Title = "Save the Return";
                        savefile.ShowDialog();
                        filename = savefile.FileName;
                    }
                    TextWriter tw = new StreamWriter(filename);

                    if (filename != "")
                    {
                        PerfData = "Name" + "," + "Manager" + "," + "Address" + "," + "Address" + "," + "City" + "," + "State" + "," + "ZIP" + "," + "Country" + "," + "Tel" + "," + "Fax" + "," + "E-mail" + ",";
                        tw.WriteLine(PerfData);

                        foreach (DataRow rw in ds.Tables[0].Rows)
                        {
                            PerfData = "";
                            for (int i = 0; i < rw.Table.Columns.Count; i++)
                            {

                                PerfData += "\"" + rw[i].ToString() + "\"" + ",";
                            }

                            tw.WriteLine(PerfData);

                        }
                        ds.Clear();
                    tw.Close();
                }
            }
            catch (System.ArgumentNullException)
            {
                MessageBox.Show("Provide a valid file name");
            }
        }

    }
}
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