I have no clue why that occurred! However the "-- Please select inquiry type . In this article, I will demonstrate the simple ways to populate a DropDownList using ViewBag, ViewData, TempData, jQuery, Model, Database, jQuery AJAX, and hardcoding in View. @Jdsfighter if you are after ViewBag.phone_type, this is a property that should have the value that user selected before that you want to specify as the default value for your dropdown. Is there any legal recourse against unauthorized usage of a private repeater in the USA? t-test where one sample has zero variance? Share Follow Try changing the ViewBag property to PhoneTypes, or something similar. Between DropDownList, DropDownListFor, List, SelectList, etc., I'm confused. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. This means the default value in the HTML is "" and thus the required validation works. I need to set first item in the ViewBag List as a default selected Step 1: Create a new project in Visual Studio, by navigating to File-> New -> Project-> Select "ASP.NET" from left pane and Select "ASP.NET web application" from right pane, name the project, click "OK". More details, you could refer to below codes: Controller: Thanks @WheretheresaWill. You can give an ID to the dropdown list (this overload) and then use jQuery to update it. How to set default value for ASP.NET MVC DropDownList from model, Speeding software innovation with low-code/no-code tools, Tips and tricks for succeeding as a developer emigrating to Japan (Ep. I need to set first item in the ViewBag List as a default selected value, instead of "- Select one -" text. You would need to add another input that is hidden .Whenever you change the value of your 1st DropDownList , you'd change the value of your 2nd DropDownList AND the value of the hidden input. Solution 1. 505). Binding DropDownList with ViewBag If so, what does it indicate? You can also use SelectList(IEnumerable, String, String, Object) overload of SelectList where the object is the selected value. As I'm new to Asp.Net I almost feel like I'm looking at gibberish :/. If value is undefined, text of the data item is used. Right click the DDL_Starter.zip file and select Extract All to unzip the file. I was trying to set selected value to my dropdownlist. Simply changing the name of the DropDownList control should resolve the issue, like so: @Html.DropDownList ("NewsCategoriesSelection", (SelectList)ViewBag.NewsCategoriesID) It doesn't really have anything to do with using the ViewBag or not using the ViewBag as you can have a name collision with the control regardless. How do you handle multiple submit buttons in ASP.NET MVC Framework? Making statements based on opinion; back them up with references or personal experience. How to know which Id belongs to which object? Once above dropdown render into html browser that will be like as shown below. I've edited the answer to show this. It retrieves a List of IDs\Names from Installation table and creates a ViewBag. Was J.R.R. so i populate dropdown this way, i like to know how can i populate dropdown from model and also set default value. How are we doing? rev2022.11.15.43034. What is the best way to give a C# auto-property an initial value? Connect and share knowledge within a single location that is structured and easy to search. Where My Ladies At? 2 America. I have already inserted few records in the table. Model not generating error for drop down list for default value in MVC, The ViewData item that has the key 'XXX' is of type 'System.Int32' but must be of type 'IEnumerable
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