Which out the following displays a client-side alert message “Processing Successful”, but the code is written at server-side based on some processing:

  1. string strMessage = "Processing Successful"; string strScript = "alert('" + strMessage + "');"; if(!ClientScript.IsClientScriptBlockRegistered("Startup")) {ClientScript.RegisterClientScriptBlock(Page.GetTy

  2. string strMessage = "Processing Successful"; string strScript = " alert('" + strMessage + "');"; if(!ClientScript.IsClientScriptBlockRegistered("Startup")) {ClientScript.RegisterClientScriptBlock(Page.GetType(), "startup", strScript);}

  3. string strMessage = "Processing Successful"; string strScript = "alert('" + strMessage + "');"; ClientScript. RegisterStartupScript(Page.GetType(), "startup", strScript);

  4. string strMessage = "Processing Successful"; string strScript = " alert('" + strMessage + "');"; ClientScript. RegisterStartupScript(Page.GetType(), "startup", strScript);


Correct Option: A

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