<input type="button" name="but1" value="<%=session.getValue("main.Bok")%> " onClick="callSearch()">
 
function callSearch()
	{                                                                                                      
     var f = document.forms[0];//("myform");
	 var semiCol = ":";
     var Name = document.myForm.Name.value;
     var Company = document.myForm.Company.value;
	 var DOB = document.myForm.DOB.value;
	 var Age = document.myForm.Age.value;
 
 
 
	// 	parent.document.getElementById("Local").src="jdbcConnection.jsp?Name="+Name+"&Company="+Company+"&DOB="+DOB+"&Age="+Age;
        alert("Name = "+Name);
        window.location.href="./jdbcConnection.jsp?Name="+Name+"&Company="+Company+"&DOB="+DOB+"&Age="+Age;
}

        <%
		request.setCharacterEncoding("UTF-8");
        String szName=request.getParameter("Name");
		System.out.println("Name = "+szName);
		String szCompany=request.getParameter("Company");
    System.out.println("Company = "+szCompany);
		String szDOB=request.getParameter("DOB");
		System.out.println("DOB = "+szDOB);
        String szAge=request.getParameter("Age");
		System.out.println("Age = "+szAge);
 
          try{
			Connection conn;
			String szUrl;
			 Class.forName("org.postgresql.Driver");
			 szUrl="jdbc:postgresql://localhost/jaiprakash";
			 System.out.println("Driver created");
			 conn = DriverManager.getConnection(szUrl,"postgres","password");
			 System.out.println("Connection created");
			 Statement sqlString1=conn.createStatement();
			 sqlString1.executeUpdate("INSERT INTO public.user values('"+szName+"','"+szCompany+"','"+szDOB+"','"+szAge+"')");
//sqlString1.executeUpdate("INSERT INTO public.user values('gfgfdg','gffdggf','gdfgdfg','gdfgdfg')");
			 System.out.println("Query executed....");
			 conn.close();
		}catch(Exception e){
		e.printStackTrace();
		}		
 
         %>

jdbc:postgresql://localhost:5432/testdb?charSet=YOUR-ENCODING-HERE

 
<form name="myForm" ID="Local" method="POST" action="jdbcConnection.jsp">