Import .CSV File into DataGrid using DataTable WPF,C#

private DataTable ReadCSV(string FileName)
      {

          DataTable csvDataTable = new DataTable();
          try
          {
              //no try/catch - add these in yourselfs or let exception happen
              String[] csvData = File.ReadAllLines(FileName);

              //if no data
              if (csvData.Length == 0)
              {
                  return csvDataTable;
              }

              String[] headings = csvData[0].Split(';');

              //for each heading
              for (int i = 0; i < headings.Length; i++)
              {
                  ////replace spaces with underscores for column names
                  //headings[i] = headings[i].Replace(" ", "_");

                  //add a column for each heading
                  csvDataTable.Columns.Add(headings[i]);

              }

              //populate the DataTable
              for (int i = 1; i < csvData.Length; i++)
              {
                  //create new rows
                  DataRow row = csvDataTable.NewRow();

                  for (int j = 0; j < headings.Length; j++)
                  {
                      //fill them
                      row[j] = csvData[i].Split(';')[j];

                  }

                  //add rows to over DataTable

                  csvDataTable.Rows.Add(row);
                  dataGrid1.ItemsSource = csvDataTable.DefaultView;

              }
          }

          catch (Exception ex)
          {
              System.Windows.Forms.MessageBox.Show(ex.Message.ToString());
          }
          //return the CSV DataTable

          return csvDataTable;


      }