How to convert datatable to json string using json.net?

Posted by Pandiya Chendur on Stack Overflow See other posts from Stack Overflow or by Pandiya Chendur
Published on 2010-06-05T10:12:10Z Indexed on 2010/06/05 10:22 UTC
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How to convert datatable to json using json.net? Any suggestion... I ve downloaded the necessary binaries... Which class should i use to get the conversion of my datatable to json? Thus far used this method to get json string by passing my datatable...

public string GetJSONString(DataTable table)
    {
        StringBuilder headStrBuilder = new StringBuilder(table.Columns.Count * 5); //pre-allocate some space, default is 16 bytes
        for (int i = 0; i < table.Columns.Count; i++)
        {
            headStrBuilder.AppendFormat("\"{0}\" : \"{0}{1}¾\",", table.Columns[i].Caption, i);
        }
        headStrBuilder.Remove(headStrBuilder.Length - 1, 1); // trim away last ,

        StringBuilder sb = new StringBuilder(table.Rows.Count * 5); //pre-allocate some space
        sb.Append("{\"");
        sb.Append(table.TableName);
        sb.Append("\" : [");
        for (int i = 0; i < table.Rows.Count; i++)
        {
            string tempStr = headStrBuilder.ToString();
            sb.Append("{");
            for (int j = 0; j < table.Columns.Count; j++)
            {
                table.Rows[i][j] = table.Rows[i][j].ToString().Replace("'", "");
                tempStr = tempStr.Replace(table.Columns[j] + j.ToString() + "¾", table.Rows[i][j].ToString());
            }
            sb.Append(tempStr + "},");
        }
        sb.Remove(sb.Length - 1, 1); // trim last ,
        sb.Append("]}");
        return sb.ToString();
    }

Now i thought of using json.net but dont know where to get started....

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