What is the use of command argument in asp net?

What is the use of command argument in asp net?

The CommandArgument property complements the CommandName property by allowing you to provide any additional information about the command to perform. For example, you can set the CommandName property to Sort and set the CommandArgument property to Ascending to specify a command to sort in ascending order.

What is command argument in C#?

Arguments that are passed by command line known as command line arguments. We can send arguments to the Main method while executing the code. The string args variable contains all the values passed from the command line.

How do you pass more than one value in CommandArgument?

Multiple values will be passed by concatenating multiple values using a Character separator such as Comma, Pipe, etc. and later inside the Button Click event, the values will be split and populated into an Array.

What is CommandName and CommandArgument in asp net?

The CommandArgument property complements the CommandName property by allowing you to provide additional information about the command to perform. For example, if you set the CommandName property to Sort and the CommandArgument property to Ascending, you specify a command to sort in ascending order.

How do you write a command line argument in C#?

Demonstrate Command Line Arguments Processing Using C#

1. using System;
2. class Program {
3. static void Main(string[] args) {
4. Console.WriteLine(“\nNumber of CommadLine Arguments :” + args.Length);
5. Console.Write(“\nCommandline Arguments Are :\t”);
6. for (int i = 0; i < args.Length; i++) {
7. Console.Write(args[i] + “\t”);
8. }

How do you call a command line argument in C#?

Command Line Arguments in C#

1. Create a Console Application. Go to “File” -> “New” -> “Project…”.
2. Main Method. The Main() method is an entry point for execution program.
3. Create Executable Program.
4. Pass Command Line Argument Using VS2010.
5. Pass Command Line Arguments using Run window.
6. Output.

How can we get row data from GridView in ASP NET?

In the Gridview, double-Click on the SelectedIndexChanged Event and write the following code:

1. protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
2. {
3. TextBoxUserID. Text = GridView1. SelectedRow. Cells[1]. Text;
4. TextBoxUserName. Text = GridView1. SelectedRow. Cells[2]. Text;
5. }

How to get the value of command argument of linkbutton?

You can Bind the command argument with the LinkButton and pass into RowCommand Event. Let say you have below Template Field. Protected Void Grid_RowCommand ( object sender, GridViewEventArgs e) { if (e.CommandName== “DataCommand”) { // Get the value of command argument var value = e.CommandArgument; // Do whatever operation you want.

How to get the rowindex of a button in a GridView?

The GridView Row reference is determined by making use of the NamaingContainer property of the Button. Finally using the GridView Row reference, the RowIndex is determined. //Get the Button reference. //Get the Command Name. //Get the Command Argument. //Get the Row reference in which Button was clicked.

How do I trigger the ondeleting event from a GridView column?

For example if you have a Button control in a GridView column with a CommandName of “delete” it will raise the OnDeleting event and the CommandArgument will have been set to the row index of the GridViewRow that the button is in. Otherwise as others have posted you can use the CommandName and CommandArgument however best suits your circumstances.

How to get the commandname and commandargument properties of a button?

Inside the Click event handler of the Button, first the Button which was clicked is referenced using the sender object. Then using the Button reference, the CommandName and CommandArgument properties are fetched.