Problem in Binding DataTable To chart Control

Hi I hav One DataTable like

Region    Q1    Q2    Q3     Q4

Rg1         15     25     35     40

Rg2          42   78      35      98

...........................................

I Want To show Grpah Like this

   private void btnGraph_Click(object sender, EventArgs e)
        {
           
            this.gridshowComapre.Visible = false;

            this.chartComapre.Visible = true;

            this.chartComapre.DataSource = dtreportnew;


            this.chartComapre.Series["Series1"].XValueMember = Convert.ToString(dtreportnew.Columns[0]);


           

            this.chartComapre.Series["Series1"].YValueMembers = Convert.ToString(dtreportnew.Columns[2]);
           this.chartComapre.Series["Series1"].YValueMembers = Convert.ToString(dtreportnew.Columns[3]);
           this.chartComapre.Series["Series1"].YValueMembers = Convert.ToString(dtreportnew.Columns[4]);
            
              this.chartComapre.DataBind();
        }

but My chart is dispalying only 1st Rows Data

what should i do..?