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Each template columns Item Template field contains Label Control & Edit Template contains Text Box control for Editing item.To help address your specific business needs, the Data Grid widget offers different data editing options. First, we’ll implement a method to databind the Grid View, which will be called whenever databinding needs to be performed.
Once in edit mode, cell values can be modified by using the appropriate Dev Extreme cell editor (for instance, a drop-down calendar is used to edit date values).
Editing the Grid View control can be an incredibly easy feature to add for certain database tables, especially those who have no foreign key associated and can easily be edited through the use of a standard Text Box web control as shown in the figure below: 1.
You need to include the Grid View Command Field column to add Edit, Update and Cancel Buttons in the Grid View. You need to include Template Field for every column you want to provide Editing because Template Field provides you both Item Template and Edit Item Template to create interface for two separate Grid View modes. You need to handle Grid View events such as Row Editing, Row Canceling Edit and Row Updating to provide desired editing functionality.
If we move our mouse on to the variables, which hold the cell values, we can see the old value instead of new updated value (Refer the debugging Screen Shot at the Top).
NET forums is how to deal with exceptions like The Grid View 'Grid View1' fired event Row Editing which wasn't handled.
Before going to start we have to set the grid view properties i:e(Autogenerate Delete Button, Autogenerate Edit Button, Autogenerate Update Button) to enable the auto generate Edit, Delete, Update buttons.