Different Ways to Call a Javascipt in .Net

Different Ways to Call a Javascipt in .Net:

Frist Way:

<script language="javascript" type="text/javascript">

        function test1() {

            window.alert(ReturnString());

        }

    script>

<asp:Button ID="Button1" runat="server" Text="Button" OnClientClick=" test1()" />

 

Second Way:

protected void Page_Load(object sender, EventArgs e) 
{
ddl_SearchOption.Attributes.Add("onChange", " test1()");
}

Third Way:

ScriptManager.RegisterClientScriptBlock(this, GetType(), "ScriptManager1", "javascript:
test1();", true);
}

Forth Way:

ClientScript.RegisterStartupScript(Page.GetType, "Javascript", "
test1();", true);