If you want to set the default value of a drop down list from a value being passed to you by a third party you should always include a check to ensure that your drop down contains the value so that you don't end up with some nasty...
The majority of the time when displaying content to the end user you will want to order the data by certain criteria. More often than not you will want to sort by a specific column. If your data is in a DataTable how do you do that? You need to...
If you want to read in a bunch of HTML checkboxes that are in a repeater using C# then you need to add a runat="server" element to you checkbox input tag. For example: <asp:Repeater ID="MyRepaterList" runat="server"/> <ItemTemplate&...
I am working on a site at the moment that requires me to store a lot of user entered values from form elements from one page to the next before a user can complete an order. This is unusual as normally the user just enters all the required values on...
This is a nice feature to add to your forms. One of the main reasons you might want to hide a submit button and display a message to the user is to stop them from clicking the button again which, depending on your code, could duplicate a request on the...
There have been times when making forms with radio buttons that I have used ASP:RadioButtonLists but recently I was working on a project that required me to have a lot of radio buttons on screen within a nicely styled grid. I could have taken the easy (but messy) way...
The web.config file can be a handy place to put site wide settings like the website name or contact admin email address. The steps below will let you use your web.config file to store and retrieve those details. This example will show you how to set the website...
We do a lot of payment integrations these days for online stores, charity sites, etc. One provider we do a lot of payment integrations with is Realex Payments. They offer a number of payment solutions for both clients and developers to choose from. The main types of setup are called...
I noticed that this one seems to catch a good few people out - including myself when I was starting out with Master Pages. If you have an aspx page that sits in your Master Page you might have a need of populating a label or a textbox (or other...