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[Solved] DropDownList resets SelectedIndex after PostBack?

[Solved] DropDownList resets SelectedIndex after PostBack?

Webselect. Gets or sets the selected item. Selects the item provided as an argument and updates the value and text of the widget. If the widget is not bound (e.g. autoBind is set to false), the select method will not pre-fetch the data before continuing with the selection and value setting (unlike the value method), and no item will be selected. The numeric … WebThe 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. This argument is of type object, but can be cast to the … cerium oxide meaning in english WebMar 22, 2011 · On the selected index of first dropdown I want to bind the second drop down.for that i have to need the selected value of first drop down.How it will be done bcz i am not getting the selected value of first drop down. code at selected index. DropDownList ddlcountry= (DropDownList)DataList1.FindControl(" ddlcountry"); ... cross play gta 5 online WebAug 27, 2009 · A selectedIndex of -1 indicates "no selection" and you should refer to the items location in the collection vs. the user selected index. so the line … WebMar 26, 2024 · To select a value in a select dropdown with JavaScript using the selectedIndex property, you can follow these steps: Get the select element using document.getElementById() or any other method of your choice. Set the selectedIndex property to the index of the option you want to select. The index starts at 0 for the first … crossplay gta 5 ps5 pc WebSet your combobox Text property to the default value you want to display. If the selected index doesn't exist in the DB, set your SelectedIndex on the combo box to -1. This will revert it to your default text. I don't get this behaviour when testing, the box remains blank after setting the index to -1 from another value (VS2012/.Net4.5).

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