How to get DataKey value of GridView in c#?
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 to get the DataKey value of GridView rowcommand?
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 , .
How do I get DataKey in 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 do I get multiple DataKeyNames in GridView?
‘Determine the RowIndex of the Row whose Button was clicked.
- Dim rowIndex As Integer = TryCast(TryCast(sender, Button).NamingContainer, GridViewRow).RowIndex.
- Dim id As Integer = Convert.ToInt32(GridView1.DataKeys(rowIndex).Values(0))
- Dim group As String = GridView1.DataKeys(rowIndex).Values(1).ToString()
How do you use DataKeyNames?
Use the DataKeyNames property to specify the field or fields that represent the primary key of the data source. You should only set this property to the field or fields that are required to uniquely identify each row; for example, the ID column if an integer value uniquely identifies each row.
What is DataKeyNames GridView?
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. Note. The GridView control stores these key field values in the control state.
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 data key in asp net?
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. Note. You can use the SelectedDataKey property to retrieve the DataKey object for the currently selected row.
What is data key in HTML?
The data-* attribute is used to store custom data private to the page or application. The data-* attribute gives us the ability to embed custom data attributes on all HTML elements. The attribute name should not contain any uppercase letters, and must be at least one character long after the prefix “data-“
What is kbd in HTML?
: The Keyboard Input element. The HTML element represents a span of inline text denoting textual user input from a keyboard, voice input, or any other text entry device.
Why href is used in HTML?
The HTML href Attribute is used to specify the URL of the page that the link goes to. When the href attribute is not present in the an element that it will not be a hyperlink. This attribute is used to specify a link to any address. This attribute is used along with tag.
How to get datakey value selected row in GridView?
Get Datakey value selected row in Gridview? Get Datakey value selected row in Gridview? how to get datakey value selected index changed event? i am doing if i click anywhere in gridview it should check Data key value particular row and action perform.
How to set primary keys in GridView example?
Example Primary Keys, ID fields, etc. The values Column Fields which are set in DataKeyNames are available in code in DataKeys object which saves it in an Array called as DataKeyArray. Using DataKeyNames and DataKeys is fairly simple, you just need to set the name of the Column in DataKeyNames property as shown below.
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 () & “.”
How to get the row index in GridView?
The row index can be easily determined using the Row.RowIndex property of GridViewRowEventArgs object and using the row index, the DataKey values can be easily fetched as shown below.