How to write a value which contain comma to a CSV file in c#?

Question

I am using a data table for storing data.

I am exporting the data from data table to CSV file.

Sometimes there may be values containing comma(,)

Answer 1

StringBuilder sb = new StringBuilder();          
        foreach (DataColumn col in dt.Columns)
        {
            if (col.ColumnName.Contains(","))
            {
                sb.Append(String.Format("\"{0}\",", col.ColumnName));
            }
            else
            {
                sb.Append(String.Format("{0},", col.ColumnName));
            }
        }