using version 2014.3.1202
I have the following RadComboBox:
<telerik:RadComboBox runat="server" ID="auto_Section" AutoPostBack="true"
AllowCustomText ="false" Filter="Contains" EmptyMessage="Select Section"
DataMember="DisplayString" DataValueField="ID" DataTextField="DisplayString"
OnSelectedIndexChanged="auto_Section_SelectedIndexChanged"
/>
When the selected Index changes, the selected value is always returning ""
However, when I remove EmptyMessage="Select Section", it works perfectly.
I tried adding in a default item like so:
<telerik:RadComboBox runat="server" ID="auto_Section" AutoPostBack="true" AppendDataBoundItems="true"
AllowCustomText ="false" Filter="Contains" EmptyMessage="Select Section"
DataMember="DisplayString" DataValueField="ID" DataTextField="DisplayString"
OnSelectedIndexChanged="auto_Section_SelectedIndexChanged"
<Items>
<telerik:RadComboBoxItem Text="< Select Section >" Value="-1" />
</Items>
</telerik:RadComboBox>
but having AppendDataBoundItems='true' set causes other issues when filtering; the items get appended to the list multiple times.
Does anyone know how to get this to work properly?
I have the following RadComboBox:
<telerik:RadComboBox runat="server" ID="auto_Section" AutoPostBack="true"
AllowCustomText ="false" Filter="Contains" EmptyMessage="Select Section"
DataMember="DisplayString" DataValueField="ID" DataTextField="DisplayString"
OnSelectedIndexChanged="auto_Section_SelectedIndexChanged"
/>
When the selected Index changes, the selected value is always returning ""
However, when I remove EmptyMessage="Select Section", it works perfectly.
I tried adding in a default item like so:
<telerik:RadComboBox runat="server" ID="auto_Section" AutoPostBack="true" AppendDataBoundItems="true"
AllowCustomText ="false" Filter="Contains" EmptyMessage="Select Section"
DataMember="DisplayString" DataValueField="ID" DataTextField="DisplayString"
OnSelectedIndexChanged="auto_Section_SelectedIndexChanged"
<Items>
<telerik:RadComboBoxItem Text="< Select Section >" Value="-1" />
</Items>
</telerik:RadComboBox>
but having AppendDataBoundItems='true' set causes other issues when filtering; the items get appended to the list multiple times.
Does anyone know how to get this to work properly?