private static object[,] GetRawData(DataTable dt)
        {
            //Initialize a multidimensional array that will contain our columns and rows.
            var rawData = new object[dt.Rows.Count + 1, dt.Columns.Count];

            //Initialize an array that we will copy DataTable columns to.
            var columnsArray = new object[dt.Columns.Count];

            //Initialize an array that will copy DataTable rows to.
            var rowsArray = new object[dt.Rows.Count * columnsArray.Length];

            //Copy columns from the DataTable to the columns array.
            for (var columnIndex = 0; columnIndex < columnsArray.Length; columnIndex++)
                columnsArray[columnIndex] = dt.Columns[columnIndex].ColumnName;

            //Copy rows from the DataTable to the rows array.
            for (var rowIndex = 0; rowIndex < dt.Rows.Count; rowIndex++)
                dt.Rows[rowIndex].ItemArray.CopyTo(rowsArray, rowIndex * columnsArray.Length);

            //Merge DataTable columns and rows into a 2D array.
            for (int colIndex = 0; colIndex < columnsArray.Length; colIndex++)
            {
                //Merge columns.
                rawData[0, colIndex] = columnsArray[colIndex];

                //Merge rows.
                for (var i = 0; i < rowsArray.Length / columnsArray.Length; i++)
                    rawData[i + 1, colIndex] = rowsArray[i * columnsArray.Length + colIndex];
            }

            //Done.
            return rawData;
        }