to modify update behavior before it happens, to provide additional handling when an update will occur, to retain a reference to an updated row, to cancel the current update and schedule it for a batch process to be processed later, and so on. ' Assumes that connection is a valid Sql Connection object. 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.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.
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? Free counters Added on January 19,2012 Follow Me @vmsdurano A bit About Me Disclaimer The opinions expressed herein are my own personal opinions and does not represent the opinions of my employers. Contol)Text; it werk just Fine any comment and thx for the code Instead of adding a Customer ID to your table and later pulling the text to get the ID number, a more reliable way to do it is to add a Data Key Names field to the grid example in the page: You can then access this information at any time with the following in code: Grid View1. Row Index]["id"]); You can do this with any field, but I've found customers get confused when they see the ID field and kept asking me why it was there, this also eliminates any issues if you change the display order of your table later (maybe add an edit/update/cancel control) Hey...great article ;)But I got a problem... So here I go with my example:protected void Grid View1_Row Updating(object sender, Grid View Update Event Args e) and the debugger says: Exception Details: System. Nor does it represent the opinion of my dog, because I don’t have one. I have a project that I coppied the above code into. Data Keys[Row Index]["Customer ID"]in the Update event it would be something like:int Customer ID = Convert. Format Exception: Input string was not in a correct format. Message End If End Sub // Assumes that connection is a valid Sql Connection object. Row Updating -= new Sql Row Updating Event Handler(On Row Updating); cust Adapter. Add(New Object() _ ) ' Set the Row Error containing the value for the third column. Kindly help me,where exactly i need to declare Global Class and while click on Add New Record,its throwing Error--Object reference not set to an instance of an object.please follow the below code,if any solution u get,kindly mail me in this below email id- [email protected] i will be greateful to u.button which discards all changes is next to this button, and they are both inactive until a change is made.