Gridview editing updating deleting in asp net
If image format is correct then put break point at "Insert New Record" method and debug you application and tell me what error generated now.Suppose we’ve to work on Customer table having Category ID as foreign key.Next Select your database and Set “Save Entity connection string in Web.config as” option true giving name Sample Entities.We will do insert, update and delete functionality in a Grid View with modal popup, we will proceed step by step to learn how easily we can complete this functionality in any project.We will try to create a basic user page where you can see all the users in a grid with paging and buttons to add new user, update an existing user and delete any existing user with confirmation box.Here you note down error or modify image and send me.
after uploading image get the image url (online path used google chrome for better performance) and used this image url on this forum section.
In this example, I am going to retrieve values from categories table of Northwind database. Drag a Grid View into the Web Form and assign Data Key Names property with the primary key column i.e. In the gdview_Row Editing and gdview_Row Deleting event, we have used the below code to retrieve categoryid from datakey of Grid View, int catid = int.
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.
We will always open modal popup from code behind so we can execute all the necessary methods.
First of all we will create a table Users CREATE TABLE [Users]( [User ID] [int] IDENTITY(100,1) NOT NULL, [User Name] [varchar](50) NULL, [Address] [varchar](100) NULL, [City] [varchar](50) NULL, [State] [varchar](50) NULL, CONSTRAINT [PK_Users] PRIMARY KEY ([User ID]) ) Some points which you need to understand, in Modal Popup Extender we used Behavior ID which will help to find the modal popup and close it.
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.