How do a bar chart graph in C#

using System;
using System.Diagnostics;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
using Excel = Microsoft.Office.Interop.Excel;
using System.Runtime.InteropServices;
using RegGlobals = FoodPantryGlobals.GlobalConst;
using Food_Pantry;
using OfficeOpenXml;
using Microsoft.Office.Interop.Excel;
using System.Drawing;
using Series = Microsoft.Office.Interop.Excel.Series;

private void ChartSetup()
{
    chartTotals.Visible = true;
    chartTotals.Enabled = true;
    chartTotals.ChartAreas[0].AxisX.LabelStyle.Interval = 1;
    chartTotals.ChartAreas[0].AxisX.Maximum = intEmptyRow - 4;
    chartTotals.ChartAreas[0].AxisX.Minimum = 0;
    chartTotals.ChartAreas[0].AxisY.Maximum = 1000;
    chartTotals.ChartAreas[0].AxisX.Minimum = 0;
    for (int i = 0; i < dgvExcel.RowCount - 2; i++)
    {
        // Get the date from the datagridview
        string strMonth = dgvExcel.Rows[i].Cells[0].Value.ToString();
        // Strip out the month from the datagridview data
        strMonth = strMonth.Substring(0,3);
        // Assign the month to the x axis
        chartTotals.Series[0].AxisLabel = strMonth;
    }
    chartTotals.ChartAreas[0].RecalculateAxesScale();
}