Why is GridView SelectedIndexChanged not firing? 6 Answers. If you are just clicking on the row in the GridView , that will not fire the event. You have to have some kind of button in
Why is GridView SelectedIndexChanged not firing?
6 Answers. If you are just clicking on the row in the GridView , that will not fire the event. You have to have some kind of button in the row to click on, which will fire the RowCommand event, as well as the SelectedIndexChanged event (if the row you click is not already selected, of course).
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.
How do I call a SelectedIndexChanged event in C#?
protected void Page_Load(object sender, EventArgs e) { //call the DropDownList1 selectedindexchanged event manually dropDownList1_SelectedIndexChanged(sender, e); //page load event handling code } protected void dropDownList1_SelectedIndexChanged(object sender, EventArgs e) { //DropDownList1 SelectedIndexChanged event …
What is Autopostback in asp net?
Autopostback is the mechanism by which the page will be posted back to the server automatically based on some events in the web controls. In some of the web controls, the property called auto post back, if set to true, will send the request to the server when an event happens in the control.
What is Onselectedindexchanged?
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 Grid view in asp net c#?
The GridView control displays the values of a data source in a table. Each column represents a field, while each row represents a record. The GridView control supports the following features: Binding to data source controls, such as SqlDataSource.
How do I use OnSelectedIndexChanged?
Add “onselectedindexchanged” event to the dropdown control. Then disable the textbox when dropdown selected value is 1. This is just an example, you may want to update it to be more flexible but I hope you get the idea. To compare the visible text rather than the value.
How do we identify that the page is postback?
Which property is used to identify the Page is Post Back in ASP.NET? Which property is used to identify the Page is Post Back in ASP.NET? Page. IsPostBack property is use to check wheather page is post back.It return bool value.
How do I use AutoPostBack?
AutoPostBack is work with TextChanged event. set the AutoPostBack property value true if you use TextChanged event on textbox server control. if you want to manually submit form by button click or any other event then set the textbox AutoPostBack property value false.
What is the other name for Grid view?
Grid views are sometimes referred to as spreadsheet widgets (or spreadsheet controls, with control being a common synonym for widget). This is due to grid views’ visual and sometimes behavioral similarity to spreadsheet applications.
What is ASP.NET page life cycle with example?
ASP.NET Life Cycle Events
| Page Event | Typical Use |
|---|---|
| Control events | This event is used to handle specific control events such as Button control’ Click event. |
| LoadComplete | This event occurs at the end of the event-handling stage. We can use this event for tasks that require all other controls on the page be loaded. |
What is selected index changed?
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.