What is SelectedIndexChanged in C#?

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The SelectedIndexChanged event occurs when the SelectedIndex has just changed. The SelectedIndexChanged event does not fire unless the AutoPostBack property is True . The SelectedIndexChanged event handler receives two arguments: The RadDropDownList that is loading items.

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 to use SelectedIndexChanged event In DropDownList In asp net?

The SelectedIndexChanged event of will work / fire / trigger only when the AutoPostBack property of the ASP.Net DropDownList is set to True. The HTML Markup consists of an ASP.Net DropDownList specified with OnSelectedIndexChanged event handler and AutoPostBack property set to True.

What is the use of SelectedIndexChanged in asp net?

The SelectedIndexChanged event is raised when the selection from the list control changes between posts to the server. A list control must persist some values between posts to the server for this event to work correctly.

What is AppendDataBoundItems in DropDownList in asp net?

The AppendDataBoundItems property allows you to add items to the ListControl object before data binding occurs. After data binding, the items collection contains both the items from the data source and the previously added items. The value of this property is stored in view state.

What is AppendDataBoundItems in Dropdownlist in asp net?

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.

What is the use of AppendDataBoundItems?

What is postback and postback AutoPostback?

A postback is initiated by the browser, and reloads the whole page, usually when a control on the page (e.g. a button) is changed. With some controls (e.g. Checkboxes), you choose if changing the control should result in a postback. This property is called AutoPostback.

What is the meaning of IsPostBack in ASP.NET c#?

IsPostBack is a property of the Asp.Net page that tells whether or not the page is on its initial load or if a user has perform a button on your web page that has caused the page to post back to itself.

What is AutoPostBack in ASP.NET c#?

What is selectedindexchanged event in ASP NET dropdownlist?

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.

Is there any JavaScript method called on onchange event for dropdownlist control?

If you see in above dropdownlist control, we do not have any JavaScript method called on OnChange event. DropDownList control has ID ddlEmployee and onchange method for this control is mentioned in jQuery document.ready () function.

How to get the text and value of the dropdownlist selected item?

Inside the event handler, the selected Text and Value of the DropDownList Selected Item is fetched and displayed using JavaScript Alert message box. No comments have been added to this article.

How does the selectedindexchanged event work in HTML markup?