ComboBox Data Binding to Database

[maxshiner]

I am trying to Bind a combobox to database table (REMAXCLASSIC). I create a REMAXCLASSICdataset Capture one shows the form. The columns contained in the table are shown on left. The combobox is associated with agentname. I select the combobox and expand the smart tag, then check the Use Data Bound Items which opens the DataBinding Mode. Then I select the drop down beside Data Source and select Agents Binding Source (Agents is table included in REMAXCLASSICDataset). Then under selected value I select agentname under AgentBinding source

When I run the solution, the information shows up correctly on the form (see Capture two). When I try to select another agentname, I get the following error. (See capture three).

How do I wire this combobox up?

Thanks

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