Call client javascript from server-side / asp.net

call javascript from aspx.cs page

     RegisterStartupScript is used to call a client-side function from server-side.

      While executing code in server-side, in certain situations (eg. In case of validations) there May be a need to call client-side functions. In such situation,you can use RegisterStartupScript to Accessfunctions in client-side from server-side.

Server Side (aspx.cs or ascx.cs Page)

using System.Web.UI;

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    protected void Page_Load(object sender, EventArgs e)

    {

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Page.ClientScript.RegisterStartupScript(this.GetType(), " company_ddl_bind", "company_ddl_bind();", true);

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        }

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   System.Web.UI - when you use the Page object you should include this namespace. Register the startup script with the System.Web.UI.Page object using a type, of key.

Client Side Function

function company_ddl_bind()

{
     alert("Client Side Function Called");

}