RadComboBox - Allow only certain items to postback
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63F75A2C-1F16-4AED-AFE8-B1BBD57646AD
1572
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Member since:
Oct 2004
Posted 14 Mar 2008
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| RadControls version |
RadComboBox 2.84
RadComboBox AJAX (Prometheus)
Telerik.Web.UI 2007.3.1425
|
| .NET version |
2.0
|
| Visual Studio version |
2005
|
| programming language |
C#
|
| browser support |
all browsers supported by RadControls
|
- PROJECT DESCRIPTION
This project shows how you can make only a certain combo items to cause a postback (and fire the server-side event SelectedIndexChanged).
| <telerik:RadComboBox ID="RadComboBox1" |
| AutoPostBack="false" |
| OnClientSelectedIndexChanged="onClientSelectedIndexChanged" |
| runat="server" > |
| <Items> |
| <telerik:RadComboBoxItem runat="server" Text="No Postback Item 1" /> |
| <telerik:RadComboBoxItem runat="server" Text="Do postback Item 1" /> |
| <telerik:RadComboBoxItem runat="server" Text="No postback Item 2" /> |
| <telerik:RadComboBoxItem runat="server" Text="Do postback Item 2" /> |
| </Items> |
| </telerik:RadComboBox> |
| function onClientSelectedIndexChanged(sender, eventArgs) |
| { |
| var text = eventArgs.get_item().get_text(); |
| if (text == "Do postback Item 1" || text == "Do postback Item 2" ) |
| { |
| __doPostBack("RadComboBox1", '{\"Command\" : \"Select\"}'); |
| } |
| } |
| <rad:RadComboBox ID="RadComboBox1" |
| AutoPostBack="false" |
| OnClientSelectedIndexChanged="onClientSelectedIndexChanged" |
| runat="server" |
| Width="150px" > |
| <Items> |
| <rad:RadComboBoxItem runat="server" Text="Do Postback 1" /> |
| <rad:RadComboBoxItem runat="server" Text="Do not Postback 1" /> |
| <rad:RadComboBoxItem runat="server" Text="Do Postback 2" /> |
| <rad:RadComboBoxItem runat="server" Text="Do not Postback 2" /> |
| </Items> |
| </rad:RadComboBox> |
| function onClientSelectedIndexChanged(item) |
| { |
| var text = item.Text; |
| if (text == "Do Postback 2" || text == "Do Postback 1" ) |
| { |
| __doPostBack("RadComboBox1", "TextChange"); |
| } |
| } |
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