Rowupdating e oldvalues
Rowupdating e oldvalues - no picture dating site
Here, we set the Data Source of the Grid View to Sql Data Source1. We also enable paging, sorting and editing features of the Grid View.By default when the Grid View controls goes in edit mode, it displays Text Boxes for entering values.
Enter the database details as per your setup and click on OK.
These events are raised before updating and deleting the record respectively.
In our example we will illustrate the use of Updating event for the validation purpose.
The Ole Values collection contains list of old column values, the New Values collection contains the list of new values entered by the user and the Keys collection contains the list of primary key values as defined by Data Key Names.
Inside the event handler we added two validation conditions: We used the New Values collection to check the entered country.
Now from the smart tag of the Grid View choose "Edit Template" and then select "Edit Item Template" of Company Name column.
This will display the template designer for the column as shown in Figure 6.
Next, drag and drop a Required Field Validation control below the Text Box.
Set the Control To Validate property of Required Field Validator control to Text Box1 (i.e. Also, set its Error Message property to "Please enter company name".
Note that by default all validation controls validate on the client side.
Right click on the Grid View and select "End template editing" Run the web form.
Add Grid View1_Row Updating event handler as shown below: The Row Updating event handler receives an event argument of type Grid View Update Event Args.