Why is GridView SelectedIndexChanged not firing?
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).
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 SelectedIndexChanged event?
The SelectedIndexChanged event occurs when the SelectedIndex has just changed. The SelectedIndexChanged event does not fire unless the AutoPostBack property is True . This object has the following properties for identifying what has changed: Index is the index of the item that was just selected.
What event is raised by a drop down list?
SelectedIndexChanged event is raised when the dropdownlist control item selection changes between posts to the server. AutoPostBack property get or set a value indicating whether a post back to the server automatically occurs when the user changes the dropdownlist item selection.
Why does the selectedindexchanged event not fire?
SelectedIndexChanged event will ONLY fire once the Index of the ListItem is changed.Like for instance if you the default Selected items in the list is the ListItem1 and when you select ListItem1 on the DLL again then SelectedIndex changed will NEVER fire because the index is not changed yet..
How to trigger onselectedindexchanged event in dropdownlist?
So, make sure that you have no repeated values in the list items to trigger this ” onselectedindexchanged ” event Add property ViewStateMode=”Enabled” and EnableViewState=”true” And AutoPostBack=”true” in drop DropDownList Also make sure the page is valid.
Is there a dropdownlist for ” not firing “?
DropDownList SelectedIndexChanged not firing Forums 4.0 Msdn en-US en 1033 Msdn.en-US Msdn 8592413b-911f-400f-a94e-bd9e619ff91e archived 757f930b-d67e-4ab5-96c7-d11fb9703aa1 winformsdesigner c1f66568-1ece-483c-969c-6dc66ea77c49 DropDownList SelectedIndexChanged not firing 1 1 106 Thread content DropDownList SelectedIndexChanged not firing