Gridview rowupdating keys
To do the Example First Create 2 Database Tables: CREATE TABLE [dbo].[Brand]( [ID] [bigint] NOT NULL, [Name] [varchar](max) NOT NULL, CONSTRAINT [PK_Brand] PRIMARY KEY CLUSTERED ( [ID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] CREATE TABLE [dbo].[Product]( [ID] [bigint] NOT NULL, [Name] [varchar](max) NULL, [Description] [varchar](max) NULL, [Brand ID] [bigint] NULL, CONSTRAINT [PK_Product_2] PRIMARY KEY CLUSTERED ( [ID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] INSERT INTO Brand Values(1,'Kohinoor') INSERT INTO Brand Values(2,'Proctor & Gamble') INSERT INTO Brand Values(3,'Telenor') INSERT INTO Brand Values(4,'Unilever') INSERT INTO PRODUCT VALUES(1,'Lux Beauty Soap','Product of Unilever',4) INSERT INTO PRODUCT VALUES(2,'Tibbet Pomed','Winter Product',1) INSERT INTO PRODUCT VALUES(3,'Data SIM','Subscriber Identity Module',3) INSERT INTO PRODUCT VALUES(4,'Nippon','Color Television',1) Note: If you use windows authentication then use the first key. Update server name, Database name, User name, Password as per your settings. How to assign more than one or multiple Datakeynames in a Gridview: Protected Sub Page_Load(sender As Object, e As System. Load If Not Is Post Back Then Bind_Grid View() End If End Sub Private Sub Bind_Grid View() Dim dt As Data Table Dim SQL As [String] = "SELECT P. Length - 1 s Clause = s Clause & " AND " & Grid View1. To String() Next Dim s SQL As String = "DELETE FROM Product WHERE 1=1 " & s Clause ' The above sql will generate like the below query ' DELETE FROM product WHERE 1=1 AND ID=4 AND Brand ID=2 Using Conn As New Sql Connection(Configuration Manager. whether a template field has information of "Command" or "String" so that later data retrieval and data binding of that particular child control will be made accordingly.A "Command" (Edit, Delete, and Insert) requires instantiation in the Button control while he "String" requires a Label or Text Box.
NET Developer's Cookbook Sample Chapters Book Reviews Community Regular Expressions keeps an indicator in string form for a type of information within a template field i.e.
We can also add some more other database fields to this property separated by comma operator. Name Brand" & " FROM Product P, Brand B" & " WHERE P. ID" Using conn As New Sql Connection(Configuration Manager.
Now, coming to the member methods listed above, there is a constructer which simply sets the aforementioned data members with those passed as parameters. Container's control collection is filled with all controls in which items of each type are instantiated.
Its implementation in the current scenario is a little lengthy, yet it is quite easy as we have to do a similar type of job with each control; instantiate it, set its text property with is a Button then it creates three buttons for the aforementioned tasks.
It is simple to do; create a button object, set its all properties accordingly, also add the button's click event handler and finally, add it into the control collection of the control (Container) passed as an argument.