Custom update button in gridview

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In this tutorial we'll look at how to add custom buttons, both to a template and to the fields of a GridView or DetailsView control. In particular, we'll build an interface that has a FormView that allows the user to page through the suppliers.

While many reporting scenarios involve read-only access to the report data, it s not uncommon for reports to include the ability to perform actions based upon the data displayed. Typically this involved adding a Button, LinkButton, or ImageButton Web control with each record displayed in the report that, when clicked, causes a postback and invokes some server-side code.

Editing and deleting the data on a record-by-record basis is the most common example. In fact, as we saw starting with the Overview of Inserting, Updating, and Deleting Data tutorial, editing and deleting is so common that the GridView, DetailsView, and FormView controls can support such functionality without the need for writing a single line of code.

For a given supplier, the FormView will show information about the supplier along with a Button Web control that, if clicked, will mark all of their associated products as discontinued. Before we look at how to add a custom buttons, let s first take a moment to create the ASP. NET pages in our website project that we'll need for this tutorial. Start by adding a new folder named CustomButtons. Next, add the following two ASP. NET pages to that folder, making sure to associate each page with the Site.

Like in the other folders, Default. Recall that the SectionLevelTutorialListing. Therefore, add this User Control to Default. Lastly, add the pages as entries to the Web. After updating Web. The menu on the left now includes items for the editing, inserting, and deleting tutorials. Let s get started with this tutorial by adding the FormView that lists the suppliers.

As discussed in the Introduction, this FormView will allow the user to page through the suppliers, showing the products provided by the supplier in a GridView. Additionally, this FormView will include a Button that, when clicked, will mark all of the supplier s products as discontinued.

Before we concern ourselves with adding the custom button to the FormView, let s first just create the FormView so that it displays the supplier information. Start by opening the CustomButtons. Finally, turn on paging support for the FormView by checking the Enable Paging checkbox from its smart tag or by setting its AllowPaging property to True. After these changes your page s declarative markup should look similar to the following:.

While this GridView will allow for a product s price to be adjusted, it won't be using the built-in editing or deleting features from the GridView. Figure 11 shows a screen shot of this page when selecting the Tokyo Traders supplier from the FormView. Before we can add a Button to the FormView that, when clicked, discontinues all of the supplier s products, we first need to add a method to both the DAL and BLL that performs this action. As we have done in our previous tutorials, we'll use a bottom-up approach, starting with creating the DAL method, then the BLL method, and finally implementing the functionality in the ASP.

NET page. Open the Northwind. Doing so will bring up the TableAdapter Query Configuration wizard, which walks us through the process of adding the new method. Active 9 years, 2 months ago. Viewed 12k times.

I am using C ASP. NET on VS Need help from experienced. Thank you in advance. Improve this question. As you asked for example in your comment, please have a look.. Add a comment. Active Oldest Votes. Improve this answer. Thanks, I will configure now. Thank you — gymcode. For example, try this out Firstly create a method to handle the update record.

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