Truncate All the table of Database and delete all the data of all the table from database

For truncate

USE MyDatabase
EXEC sp_MSforeachtable 'TRUNCATE TABLE ?'

For Delete


USE MyDatabase
EXEC sp_MSforeachtable 'DELETE FROM ?'

Call Jquery function from code behind

Below are the code for calling jquery function from asp.net code behind   

protected void Button_Click(object sender, EventArgs e)

    {

        string myScriptValue = "$(document).ready(function(){"+

          "your jquery code here”+

        "}); ";

        ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "myScriptName", myScriptValue, true);

   

    }