multiple DB support is completed so per the Nishino-san comment deleted combo box from template files.
ConditionalSearch.aspx,ConditionalSearch.aspx.cs,ConditionalSearch.aspx.vb
Detail.aspx,Detail.aspx.cs,Detail.aspx.vb
SearchAndUpdate.aspx,SearchAndUpdate.aspx.cs,SearchAndUpdate.aspx.vb.
And changes made in Form2.cs and app.config file of DaoGen_Tool