We will select GetCustomers method from the drop down list for our application. In the Sample app we have provide a search on company name, so the filterexpression property for the same can be coded as.
Again updating is also a very common scenario in data manipulation applications, In the sample application we will update the contact name of a selected customer. For enabling editing in a gridview row first add an edit column to the gridview.
The only change is, we take a DataRow from the DataTable , and then we delete that before calling the update method on the DataAdapter. We can recall that from the previous video. After doing so, we should also change the GridView control to aid these actions.
The below video explains these steps. Hope this article helped us in finding out how to use the ObjectDataSource control with the GridView control. When you extract ASP. This site uses Akismet to reduce spam.
Learn how your comment data is processed. Skip to content Asp. Introduction to ObjectDataSource Control 2. About The Example 3. Create Data Class for Authors Table 4. SqlClient ;. ConnectionStrings [ "Pubs" ] ;. ConnectionString ;. Fill authors ;. City; adapter. GetUpdateCommand ;. City ;. Delete ; adapter. GetDeleteCommand ;. Rows [ 0 ]. Delete ;. It does seem to be all automagically done, but your 4th parameter is tied to the SelectedValue of your TemplateField DropDownList based on the fact that they share the same field name "hauptzellstoff" and that you are using a two-way data-binding expression "Bind" to do that.
I did the same for the item parte of the template. NET knows which parameters of the gridview it has to pass on to the update method and how it decides about the order and names cause c is case sensitive and there are nearby the same update field names like datafield names but only nearby - there is a capital letter at the beginning ;.
The content you requested has been removed. Ask a question. Quick access. Search related threads. Follow Post Reply. Hi Tim, if you want to update your values from grid view you have to use to way databinding verb. Eval is just one way - it will only populate your gridview from data source. Any insight on this? I am having issues passing the parameters to theobjectdatasource. Tim- Hide quoted text - - Show quoted text -.
Hi Tim, I am sorry I didn't notice drop down lists before. Yes, drop down lists are problem. You have to handle them in different way. You can add handler for RowUpdating event to your GridView. There you can add selected values from your drop down lists to NewValues collection. I'm not sure if I'm using right identifier for param.
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