How to enable a datagridcell when report is present?

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C#

WPF

Hi how can i a Button column to a Datagrid programatically. I want to do this through code in codebehind file.

Also i want to selectively enable or disable this button based on record (If status is Reported then Enable it else disable this button,else status is Sent then Disable this button
This is the code am tried and it shows all the datacolumn as enabled,how to disable status shows Sent.

int rowIndex = 10;
var rowData = dataGrid1.Items[rowIndex] as DataRowView;
rowData["LinkRPT"] = "";
dataGrid1.Columns[10].Visibility = Visibility.Visible;
SqlConnection con = new SqlConnection("Data Source=WINCTRL-TNT3FMR\\SQLEXPRESS;Initial    
            Catalog=Roamani;Integrated Security=True");
if (dataGrid1.SelectedItems.Count > 0)
{
    for (int i = 0; i < dataGrid1.SelectedItems.Count; i++)
    {
        System.Data.DataRowView selectedFile= (System.Data.DataRowView)dataGrid1.SelectedItem;//Row is detected and stored in selectedfile object
        string str = Convert.ToString(selectedFile.Row.ItemArray[10]);
        string sts = Convert.ToString(selectedFile.Row.ItemArray[9]);

        string query = "SELECT Report FROM StudyTable WHERE StudyUID='" + str + "' AND status='3'";
        SqlCommand cmd = new SqlCommand(query, con);
        con.Open();
        SqlDataReader rdr = cmd.ExecuteReader();
        try
        {
            while (rdr.Read())
            {
                query = rdr.GetString(0);
                //dataGrid1.Columns[10] = query;
                OpenReport(query);
            }
        }
        catch (Exception ex)
        {
            ReallySimpleLog.ReallySimpleLog.WriteLog(ex);
        }
    }
}
con.Close();