If you are not familiar of binding the Grid View the way then I would suggest looking at my previous example first before you proceed to this example. Parameter name: index Any idea what I need to do to fix this issue?
In this demo, I presumed that you already have a basic background on how to create a simple database table. Thanks that cmd do not work fine string id = Grid View1.
Next Select your database and Set “Save Entity connection string in Web.config as” option true giving name Sample Entities.
Select Both Category and Customer tables Give Model Namespace and click on Finish. NET Gridview Footer row for inserting record, inbuilt way to edit and delete records.
Protected Sub Grid View1_Row Command(By Val sender As Object, By Val e As System.
I had change the syntax error in c# as below: int current Row Index = Int32.
Six of those paramaters basically comes from the Text Box values that were entered in the page. Invalid Cast Exception: Unable to cast object of type 'System.
The last parameter is a boolean value which tells the method whether to execute an Insert (false) or Update (true). In-order to perform Edit and Update in Grid View we need to use three events ( Grid View_Row Editing, Grid View_Row Canceling Edit , Grid View_Row Updating).
For this tutorial I am using Microsoft famous sample database Northwind. Also make sure you are setting Grid View Data Key Fields property to the Primary Key column of the Product Table such as Product ID.
Grid View control is one of the most powerful controls in ASP. This control displays database records in typical tabular form, and provides features such as Sorting, Paging, Selection and Editing without writing a single line of code.
It also has many different types of fields (columns) such as hyperlinks, images, checkboxes etc. To String()) Dim Product ID As String = Grid View1.
This article explains how to perform insert, update and delete operations in ASP. Let us take an example to perform CRUD operations using Entity Framework Database First approach.
Suppose we’ve to work on Customer table having Category ID as foreign key.