Gridview1rowupdating

Now let’s create a method for executing the Update or Insert. 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. 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[0])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. Uso del Bound Field Se notara en el código que las columnas son definidas en el evento Page_Init, mientras que los datos son cargadas en el Page_Load Esto es porque la definición de las columnas al ser dinámicas se deberán crear cada vez que se realice un postback, mientras que los datos pueden volver a bindear a la grilla, o no, eso dependerá de la funcionalidad que se quiera lograr Definición de ITemplate La definición de las columnas por medio de la creación de templetes de columnas, podrá apreciarse en el formulario de nombre “Grid View ITemplate.aspx”.Para poder hacer uso de template de columnas en el control Grid View, será necesario la implementación de a interfaz ITemplate, a continuación se vera el código de estas clases: , dentro de este se definirá el o los control que conformen el témplate de columna para el estado especifico.

Estas clases serán usadas para definir cada témplate de columna: Se define tanto el témplate del Ítem, como el de edición y encabezado, usando para ello el témplate que corresponda, se debe tener presente que también el tipo de dato a mostrar influye en la decisión de que témplate utilizar, un ejemplo muy claro lo representa el checkbox que marca si el televisor es de plasma o no, representado por un témplate que justamente dibuja un check en la celda.

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 those who do not know on how to generate Events in Grid View you can follow these steps below: I have a project that I coppied the above code into.

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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.

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