LINQ to SQL: Working with AttributeMappingSource is it possible to get the name of the table, then query the data for that table

In the code below I am populating a drop down list with the table names available in the configured LINQ to SQL model.  

When I select a table name from the drop down list I want to select all of the data from that table and display it in a datagrid.

How can I do a dynamic LINQ query against a table name I get from the drop down list?

protected void BindPage()
        {
 
            var model = new AttributeMappingSource().GetModel(typeof (USFCMSDataContext));
            ddlTables.DataSource = from m in model.GetTables() orderby m.TableName select m; 
            ddlTables.DataTextField = "TableName";
            ddlTables.DataBind();
        }

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