how to bind a Pie Chart to a Datasource

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C#

XAML

WPF

WPF-Toolkit

Hello all,

My goal is to display my database table values ( I have two columns as Total and Used) on a pie chart. I used the WPFToolkit for the chart control and created a pie chart structure.

but I am stuck with binding the chart to the datasource.

Any one can pls suggest me a solution. Thanks !

This is what i have tried :

public List<ram> getRamData()
      {
          List<ram> list = new List<ram>();
          con.Open();
          string query = "select top 1 Used,Total from UsageRam";
          cmd = new SqlCommand(query, con);
          dr = cmd.ExecuteReader();
          while (dr.Read())
          {
              var reading = new ram
              {
                  Used = Convert.ToInt32(dr[0]),
                  Total = dr[1].ToString()
              };
              list.Add(reading);
          }