asp.net - adding button with runatserver in back code

Question

How can I make this button

 resultsHtml.Append(" <button runat="server" ID='btnHelloWorld' OnClick='btnHelloWorld_Click' Text='Upd`ate label!' /> ");

run this

 protected void btnHelloWorld_Click(object sender, EventArgs e)
    {
        lblHelloWorld.Text = "Hello, world";
    }

In the same page? They are both in the back code and the same page. The reason I put it in resultsHtml.Append(); is because it's in the datatable

when you adding a new button within resultsHtml, does it generate the btnHelloWorld_Click button or not? — M. Adeel Khalid
– M. Adeel Khalid, Commented Jan 24, 2017 at 4:10
it generates a button, but it doesn't fire the onClick event. it doesnt even read the CSS — Fiendcoder1
– Fiendcoder1, Commented Jan 27, 2017 at 7:30

Karthik_SD · Accepted Answer · 2017-01-24 04:57:26Z

1

Dont take whole button HTML script from database. Just take button name and onClick event name from database.

Then create button dynamically from code behind as follow:

    Button btnHelloWorld= new Button();
    btnHelloWorld.ID = "btnEdit";
    btnHelloWorld.Text = "Edit";
    btnHelloWorld.Click += new EventHandler(btnHelloWorld_Click);
    form1.Controls.Add(btnHelloWorld);

answered Jan 24, 2017 at 4:57

Karthik_SD

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1 Comment

Fiendcoder1 Over a year ago

Actually it's not from the database, the data preceding the button is from the database. I just don't know how to cast it in the front end so every entry has that button.

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