Aspxgridview edititemtemplate rowupdating

(19 printed pages) Download the code for this sample.Introduction Step 1: Replicating the Example from "Tutorial 17: Examining the Events Associated with Inserting, Updating, and Deleting" Step 2: Converting the Bound Fields into Template Fields Step 3: Adding the Validation Controls to the Grid View's Edit Item Templates Step 4: Summarizing Data-Entry Problems Step 5: Adding the Validation Controls to the Details View's Insert Item Template Step 6: Partitioning the Validation Controls into Validation Groups Conclusion The Grid View and Details View controls in the examples we've explored over the past three tutorials have all been composed of Bound Fields and Check Box Fields (the field types automatically added by Microsoft Visual Studio when binding a Grid View or Details View to a data source control through the smart tag).By Default, Grid View control displays Item Template which directly shows the Product Name and Unit Price columns but when user clicks Edit button Grid View automatically switches to Edit Item Template and display the control available inside Edit Item Template for user editing.

Similarly, when inserting a new record into a Details View control, those Bound Fields whose Insert Visible property is set to true (the default) are rendered as empty textboxes, into which the user can provide the new record's field values.The Template Field's Item Template is used to when rendering read-only fields or rows in the Details View or Grid View controls, whereas the Edit Item Template and Insert Item Template indicate the interfaces to use for the editing and inserting modes, respectively.In this tutorial, we'll see how easy it is to add validation controls to the Template Field's Edit Item Template and Insert Item Template to provide a more foolproof user interface.Specifically, this tutorial takes the example created in Tutorial 17: Examining the Events Associated with Inserting, Updating, and Deleting and augments the editing and inserting interfaces to include appropriate validation.In Tutorial 17: Examining the Events Associated with Inserting, Updating, and Deleting, we created a page that listed the names and prices of the products in an editable Grid View.

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These properties will automatically render Edit, Update and Cancel buttons inside Grid View column.

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