Vb net detailsview itemupdating
The Data Value Field and Data Text Field's are assigned to Customer ID and Company Name respectively, and lookup values will come from the Customers table.The Eval method in the script block implies that the Selected Value is read from the outer data source's Customer ID field.For example, here is some code snippet which get the reference to Text Boxes of bound fields when Details View turn into Edit mode: =============== protected void Details View1_Pre Render(object sender, Event Args e) =============== In addition, for get a clear view of the Details View's runtime control structure, you can trun on the page's Trace so as to view the control Tree structure which is very helpful.e.g: | Subject: Set value in Details View edit mode (2) | Date: Wed, -0600 | Lines: 21 | X-Priority: 3 | X-MSMail-Priority: Normal | X-Newsreader: Microsoft Outlook Express 6.00.2800.1506 | X-Mime OLE: Produced By Microsoft Mime OLE V6.00.2800.1506 | Message-ID: | Newsgroups: microsoft.public.dotnet.framework.aspnet | NNTP-Posting-Host: 188.8.131.52.184.108.40.206 | Path: TK2MSFTNGXA01gbl! TK2MSFT NGP10gbl | Xref: TK2MSFTNGXA01gbl microsoft.public.dotnet.framework.aspnet:135550 | X-Tomcat-NG: microsoft.public.dotnet.framework.aspnet | | Hello, | | I am trying to change a value when a user goes into edit mode on a | Details View control.
You can use the Smart tags menu or switch to the ASP.
Additionally, another exception occurred while executing the custom error page for the first exception.
After you complete the data source wizard the Form View will have controls added to it for the Item Template, Edit Item Template, and Insert Item Template.
Protected Sub Form View1_Item Updating(By Val sender As Object, _ By Val e As System. The key to binding is the second Data Source for the lookup and understanding the difference between Bind and Eval.
Bind reads and writes and Eval only reads from the Data Source.