How can I execute JavaScript within a for loop in the server-side code?

protected void Button1_Click(object sender, EventArgs e)
{
    for (int i = 0; i < 100; i++)
    {
        Page.ClientScript.RegisterClientScriptBlock(GetType(), "myScript", "<script>alert('hello world');</script>");
    }
}

Is there a way to have the alert execute each time in the iteration rather than just once?

Answer №1

A simple way to modify the script is by adding an incremental value to the key in each iteration, like "myScript" + i. This changes the key every time the loop runs:

for (int i = 0; i < 100; i++)
        {
            Page.ClientScript.RegisterClientScriptBlock(GetType(), "myScript" + i, "<script>alert('hello world');</script>");
        }

Answer №2

To find the answer, it is necessary to update the key during each iteration in this manner:

Page.ClientScript.RegisterClientScriptBlock(GetType(), "newScript", "<script>alert('hello world');</script>");
        Page.ClientScript.RegisterClientScriptBlock(GetType(), "newScript1", "<script>alert('hello world');</script>");

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