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Different dataset values can be appended to a single xml file. This can be done as follows. First write the dataset values to  StringWriter  and then save the stringwriter to xml file.

            DataTable tab1 = new DataTable();
            tab1.Columns.Add(”name”);
            DataRow dr = tab1.NewRow();
            dr[”name”] = “aa”;
            tab1.Rows.Add(dr);

            DataTable tab2 = new DataTable();
            tab2.Columns.Add(”name”);
            DataRow dr2 = tab2.NewRow();
            dr2[”name”] = “aa”;
            tab2.Rows.Add(dr2);

            DataSet ds1 = new DataSet();
            ds1.Tables.Add(tab1);

            DataSet ds2 = new DataSet();
            ds2.Tables.Add(tab2);

            StringWriter sw = new StringWriter();

            ds1.WriteXml(sw);
            ds2.WriteXml(sw);

           string tosave =” ” + sw.ToString()+”";

           // write the tosave to file.

This entry was posted on Friday, February 8th, 2008 at 1:07 pm and is filed under dot net c# development. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.