What is DataKeys in GridView?

DataKeyNames is the property of GridView which allows us to set the names of the Column Fields that we want to use in code but do not want to display it. Example Primary Keys, ID fields, etc.

How do I get multiple DataKeys in GridView?

‘Determine the RowIndex of the Row whose Button was clicked.

1. Dim rowIndex As Integer = TryCast(TryCast(sender, Button).NamingContainer, GridViewRow).RowIndex.
2. Dim id As Integer = Convert.ToInt32(GridView1.DataKeys(rowIndex).Values(0))
3. Dim group As String = GridView1.DataKeys(rowIndex).Values(1).ToString()

Where is DataKey in GridView RowDataBound?

Since you already know the name of the field that is the DataKey, you just need to access the DataItem during RowDataBound. Like this: void GridView1_RowDataBound (Object sender, GridViewRowEventArgs e) { // Check for that the row is a data row & not header or footer if(e. Row.

How does Rowcommand get data key value?

5 Answers. I usually pass the RowIndex via CommandArgument and use it to retrieve the DataKey value I want. You can use this code while doing an iteration with foreach or for any GridView event like OnRowDataBound . Here you can input multiple values for DataKeyNames by separating with comma , .

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.

How to use GridView’s datakeys in ASP.NET?

In this article I will explain with some examples, how to use the DataKeyNames (DataKeys) property of GridView in ASP.Net. What are DataKeyNames and DataKeys? DataKeyNames is the property of GridView which allows us to set the names of the Column Fields that we want to use in code but do not want to display it. Example Primary Keys, ID fields, etc.

How to determine the data key of each row in a GridView?

Gets a collection of DataKey objects that represent the data key value of each row in a GridView control. A DataKeyArray that contains the data key of each row in a GridView control. The following example demonstrates how to use the DataKeys property to determine the data key value of the selected row in a GridView control.

How to use gridview.datakeynames property in markup?

The following example demonstrates how to use the DataKeyNames property to specify the key field of the data source. In the example, the DataKeyNames attribute of the GridView element in markup specifies two key fields by using a comma to separate the names. To run this example, create a Web site that has the following:

How to dim Index in gridview.datakeys?

Dim index As Integer = CustomersGridView.SelectedIndex ‘ Display the primary key value of the selected row. Message.Text = “The primary key value of the selected row is ” & _ CustomersGridView.DataKeys (index).Value.ToString () & “.”