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How to convert DataTable to JSON string using C#.Net?

Hello everyone, I going to share the code sample for convert Data Table into JSON string using JavaScript Serializer as given below.

public class Converter
{
    /// <summary>
    /// This method is used to convert DataTable into JSON string using JavaScript Serializer.
    /// </summary>
    public String ConvertToJSONString(DataTable dataTable)
    {
        JavaScriptSerializer serializer = new JavaScriptSerializer();

        List<Dictionary<String, Object>> tableRows = new List<Dictionary<String, Object>>();

        Dictionary<String, Object> row;

        foreach (DataRow dr in dataTable.Rows)
        {
            row = new Dictionary<String, Object>();
            foreach (DataColumn col in dataTable.Columns)
            {
                row.Add(col.ColumnName, dr[col]);
            }
            tableRows.Add(row);
        }
        return serializer.Serialize(tableRows);
    }
}