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Normally the details view control automatically detects whether to pass a null in the parameter.Instead when setting the Update Parameters in the codebehind, the control will update the database with the parameter names entered.Since I use a different set of templates for editing and viewing, when it switches to edit mode, I bind the datasource like this: case Details View Mode. Getting New Values and Old Values from Details View Hello, I have created a Details View in the codebehind of a web form: 1 Dim Main View As New Details View 2 3 arr Data Key Names(0) = "Unique_ID" 4 5 With Main View 6 . I am assuming they make a Data Row for each of the rows. Is the table created by gridview basically a dataset from ADO.net? Thanks to everyone that has ever helped me with any posts.

To solve this, you would need to automatically detect whether a value is null and then add it to the Update Parameters list.So, the method in the code behind page would look like something like this: However, decrypting the data using a templatefield tag posed another problem, extracting new values from the ‘Text Box1’ control.This will be solved when calling the Item Updating event.A Details View Update Event Args object is passed to the event handler, which allows you to determine the index of the record being updated and to indicate that the update operation should be canceled.To cancel the update operation, set the collections, if necessary, before the values are passed to the data source.

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