How to render function on the client-side?

Question

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I am having a little difficulty in registering the javascript on the client side.

C#

protected void Page_Load(object sender, EventArgs e)
  {
      if (!IsPostBack)
      {

          JavaScriptSerializer jss = new JavaScriptSerializer();
          ClientScript.RegisterStartupScript(this.GetType(), "TestInitPageScript",
              //string.Format("<script type=\"text/javascript\">google.load('visualization','1.0',{{'packages':['corechart','controls']}});google.setOnLoadCallback(function(){'drawVisualization'({0},'{1}','{2}');});</script>",
         string.Format("<script type=\"text/javascript\">google.load('visualization','1.0',{{'packages':['corechart','controls']}});google.setOnLoadCallback(function(){{drawVisualization({0},'{1}','{2}','{3}');}});</script>",
          jss.Serialize(GetData()),
      "Name Example",
      "Name",
      "Type Example",
       "Type,"));

          }

      if (!IsPostBack)
      {
          JavaScriptSerializer jss = new JavaScriptSerializer();
          ClientScript.RegisterStartupScript(this.GetType(), "TestInitPageScript",
              //string.Format("<script type=\"text/javascript\">google.load('visualization','1.0',{{'packages':['corechart','controls']}});google.setOnLoadCallback(function(){'drawVisualization'({0},'{1}','{2}');});</script>",
         string.Format("<script type=\"text/javascript\">google.load('visualization','1.0',{{'packages':['corechart','controls']}});google.setOnLoadCallback(function(){{drawVisualization2({0},'{1}','{2}','{3}');}});</script>",
          jss.Serialize(GetData2()),
      "Name Example",
      "Name",
      "Type Example",
       "Type,"));
      }
      }

However, only function drawVisualisation is rendering but I cannot get the drawVisualisation2 to render to the client-end.

JavaScript

 function drawVisualization(dataValues, chartTitle, columnNames, categoryCaption) {
//do something
}


function drawVisualization2(dataValues, chartTitle, columnNames, categoryCaption) {
//do something
}

Please advice. Many thanks.

Posted 23-May-14 3:14am

miss786

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hypermellow · Accepted Answer · 2014-05-23T03:42:00

Solution 1

The problem appears to be the key parameter in your calls to ClientScript.RegisterStartupScript

You are using the value "TestInitPageScript" for both calls. If you change the 2nd call to something else, then it will register both blocks.

... Hope it helps.

Posted 23-May-14 3:42am

hypermellow

Comments

miss786 23-May-14 9:53am

thank you. that helped.

hypermellow 23-May-14 9:54am

Your welcome, I'm happy it helped.