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– ricky Programmer Feb 16 '15 at 相关推荐:How can I call "delete row " event when i click on "edit" button in gridview C#s inserted in the controls which is outside the gridview and then row is deleted.

Can I call "delete" event method inside the "edit" event, because I want to first retrieve values in controls and then row is deleted.

In this article I will share how to retrieve hidden value from Grid View Column.

Implementation: In this example iam going to retrieve values from northwind database from table categories. Delete a Record We can delete a record from the database table by clicking on the delete button that is in the Delete column of the Grid View.We first of all create a Stored Procedure that gets the Id of an employee as a parameter from the Grid View on whichever row the user clicked. In this event, first we get the datakey value that is the id of an employee of whichever row the user clicked and that id is passed as a parameter to the Stored Procedure. According to the above, in these three operations we use three events of the Grid View for each operation." Select Command="SELECT a.tenantcode, a.name, a.fixedrate, a.percentrate, a.percentage, b.locationd, c.status FROM TENANTNEW AS a INNER JOIN LOCATION AS b ON a.LOCATION = b.location INNER JOIN TENANT AS c ON a.tenantcode = c.tenantcode WHERE (c.status > 1) ORDER BY b.location, a.name" Update Command="UPDATE [TENANTNEW] set fixedrate = @fixedrate, percentrate = @percentrate, percentage = @percentage WHERE tenantcode = @tenantcode" On Selected="Sql Data Source1_Selected" private void Bind Data() protected void grd Tenant Update_Row Editing(object sender, Grid View Edit Event Args e) protected void grd Tenant Update_Row Canceling Edit(object sender, Grid View Cancel Edit Event Args e) protected void grd Tenant Update_Row Updating(object sender, Grid View Update Event Args e) } ERROR: The parameterized query '(@id varchar(8000),@name float)update TENANTNEW set [email protected]' expects the parameter '@id', which was not supplied.Introduction: In this article i will discuss how to edit and delete records from gridview using datakeys.so,whats a datakey.A datakey Represents the primary key field or fields of a record in a data-bound control.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.Database Table Structure We are using an "EMPLOYEE" table so the "EMPLOYEE" table design is: Design of Grid View We design a Grid View with which we can perform update and delete operations.Here we can update Name, Emp_Code and Emp_Age fields depending on the Id field of the "EMPLOYEE" table.Now we access this connection string on the page so we can open a connection with the relation database. The first one accesses the connection string and the other is for the SQL connection.Now we define a method for opening a connection with the relation database and returns a SQL connection object depending on the connection string that is passed as a parameter of the Sql Connection class constructor.c# sql gridview edited Feb 17 '15 at asked Feb 16 '15 at ricky Programmer 404 1 4 17 edited Feb 16 '15 at answered Feb 16 '15 at User125 105 6 Ive tried this, but it did not work, I think Karen is correct my tenantcode is not an int (number) it is a string, What could be the alternative code for that?– ricky Programmer Feb 16 '15 at @ricky you may also use HIddenfield and set its value like | tenantcode - is not a number value edited Feb 16 '15 at Stephan 3,138 1 10 31 answered Feb 16 '15 at Karen 41 4 Yes, you are correct tenantcode is a string, what can I do to correct it?




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