Video about gridview updating new values:
C# - How To Update Selected DataGridView Row With TextBox Using C# [ With Source Code ]
For now, leave all of the fields added by Visual Studio. To create the editing interface, choose the Edit Templates link from the GridView s smart tag. Recall that a TemplateField is composed of a number of templates that defines the mix of markup, Web controls, and databinding syntax used for certain types of rows. To insert the new record into the Products table, we can simply invoke the ObjectDataSource s Insert method: Summary The GridView lacks the built-in inserting capabilities found in the DetailsView and FormView, but with a bit of effort an inserting interface can be added to the footer row. Since the AddProducts method accepts nullable types for the nullable database fields, simply use a nullable type and set its value to Nothing in the case where user input is omitted. When the Add button is clicked, the ObjectDataSource s Insert method is invoked to start the inserting workflow. This works fine so long as the inserting interface is the only set of validation controls on the page. Therefore, we can add the Web controls needed for each field s inserting interface into the FooterTemplate. He can be reached at mitchell 4GuysFromRolla. Note that when clicking the Add button with invalid data in the inserting interface, the postback is short circuited and the ValidationSummary control indicates the invalid data see Figure As Figure 6 illustrates, setting the ShowFooter property to True adds a footer row to the grid. For the majority of products being added, the last page index is the same after adding the new product. After all, won t the postback be suppressed if invalid data is provided in the inserting interface? To prevent the validation control s text from causing the inserting interface to wrap to two lines, set the FooterStyle s Wrap property to false for each of the FooterTemplate s that use a validation control. This insert logic should be executed after the Add button has been clicked.
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