telerik - Dynamic / Static items in radComboBox. (SQL Query error) -


i using telerik's rad combo boxes (dropdowns) on aspx page. there 3 rad combo boxes , cascading dropdowns. items in final dropdown dependent on selection of 2nd dropdown. now, had insert "select all" option in final dropdown. being static value, added using "appenddatabounditems" property of rad combo box, setting true. can see select option, items in dropdown list repeated. have used distinct keyword in query. also, when make selection in 2nd dropdown box, values in third dropdown appended i.e show "select all" + items of selected 2nd dropdown option + values of selected dropdown selection.

am missing in query? or there wrong telerik controls? or ajax manager?

please help.

thanks, ghanshyam.

are using enableloadondemand="true" setting perform cascade? combo box not clear old items out automatically. 2 things can do:

  • delete old items or
  • bind entire list combo box , hide invalid ones. has worked when list relatively small.

hth.


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