What is SelectedIndexChanged in asp net?

What is SelectedIndexChanged in asp net?

The SelectedIndexChanged event of ASP.Net DropDownList When an item is changed in ASP.Net DropDownList, the following OnSelectedIndexChanged event handler is executed. Inside the event handler, the selected Text and Value of the DropDownList Selected Item is fetched and displayed using JavaScript Alert message box.

What is AutoPostBack in asp net?

The AutoPostBack property is used to set or return whether or not an automatic post back occurs when the user selects an item in a list control. If this property is set to TRUE the automatic post back is enabled, otherwise FALSE.

How can I call DropDownList SelectedIndexChanged event without Autopostback?

[Solved] Fire DropDownList SelectedIndexChanged event without reloading page in ASP.Net. Put your DropDownList and GridView inside the Update Panel. Set the OnSelectedIndexChange Event and Set Auto Postback to true for DropDownList. You will be having the Partial Postback not full Postback.

How do you stop a ComboBox SelectedIndexChanged event from firing when the form loads?

You can simply unbind the SelectedIndexChanged event, call your fill function and bind the SelectedIndexChanged event again.

How do I stop postback on Selectedindexchanged?

So it’s either you remove AutoPostBack=”True” or you return false; in the OnChange event. Set AutoPostBack property to false. Thnaks for your quick response. Is i set Autopostback = false… my selectedindexchange method won’t write.

How do I fire the selectedindexchanged2 event in GridView?

The easiest way to get the event to fire, is to add this attribute to your GridView markup: This creates a “Select” LinkButton, which will fire the Gridview1_SelectedIndexChanged2 event in your code-behind when you click it.

Is it possible to trigger selectedindexchanged event for selected row?

It is NOT true that you can’t click a row and have it handle the SelectedIndexChanged event. You just have to add a little code to the RowCreated event. Show activity on this post.

Why can’t I click a row in the selected index changed list?

It is NOT true that you can’t click a row and have it handle the SelectedIndexChanged event. You just have to add a little code to the RowCreated event.

Why can’t I select a button in the GridView?

Check the actual button line in the Gridview and make sure that you have the CommandName=”Select” in the ButtonField. For some reason that code, which is normally entered automatically wasn’t added. Show activity on this post. If you have postback code in selected index changing method you should false EnableEventValidation