I finally figured it out.
<telerik:GridHyperLinkColumn UniqueName="joblink" Text="jobname" DataNavigateUrlFields="joblink" DataNavigateUrlFormatString="/Employer/Job.aspx?action=edit&id={0}" DataTextField="jobname" DataTextFormatString="{0}">
Dim taskDT As New DataTable
taskDT.Columns.Add("jID")
taskDT.Columns.Add("jobname") 'You need one column for the DataTextField
taskDT.Columns.Add("joblink") 'and another for the DataNavigateUrlField
While dataReader.Read()
Dim taskDR = taskDT.NewRow()
taskDR.Item("jobname") = dataReader("name")
taskDR.Item("joblink") = dataReader("publicID")