What is DataKeyNames in RadGrid?

DataKeyNames property lists the additional fields of the DataSource that will be mapped to each result item. It allows you to define the names of the data fields you want to use in code without displaying them, such as Primary Keys, ID fields, etc.

How to get DataKeyNames in GridView Row?

Using DataKeyNames and DataKeys is fairly simple, you just need to set the name of the Column in DataKeyNames property as shown below. Here CustomerId is the name of the Column. And then in code access it using the RowIndex of the GridView Row to get the value of the Column for that particular Row. int id = Convert.

How can I get DataSource from RadGrid?

I want do this way so that I can save an around trip to database. Hi Sam, When a button outside RadGrid is clicked it is expected that the DataSource property is null. In this case the grid retrieves the relevant information in the ViewState.

How to get data Key value in GridView on button click?

protected void btnRemoveclicked(object sender, EventArgs e)
{
Button button1= (Button)sender;
GridViewRow row = (GridViewRow)button1.Parent.Parent;
labeltext= ((Label)row.FindControl(“lblid”) as Label).Text;
string string datakey = grdtest.DataKeys[row.RowIndex].Value.ToString();
}

Which property get primary key field value in GridView control?

DataKeyNames property
When the DataKeyNames property is set, the GridView control automatically populates its DataKeys collection with the values from the specified field or fields, which provides a convenient way to access the primary keys of each row. The GridView control stores these key field values in the control state.

What is NeedDataSource in Telerik grid?

The NeedDataSource event handles the logic of when and how data binding should take place out-of-the-box. It is important to properly construct a data source object and assign it to the RadGrid DataSource property.

What is DataKeys?

The DataKey object contains the values of the field or fields specified in the DataKeyNames property. Use the DataKeys property to retrieve the DataKey object for a specific data row in the GridView control.

How do you call a NeedDataSource event in RadGrid?

To achieve the desired functionality you could try calling the RadGrid. Rebind() method after insert, delete or update. The Rebind() method will force the RadGrid to fire NeedDataSource event then calls DataBind.

What is DataKeyNames in RadGrid?