How to solve problem, The length of the query string for this request exceeds the configured maxQueryStringLength value in ASP.NET?

Add following sections into web.config
  <system.web>
    <httpRuntime maxUrlLength="10000" maxQueryStringLength="2000000" />

And also in
  <system.webServer>
    <security>
      <requestFiltering>
        <requestLimits maxUrl="10000" maxQueryString="2000000" />
      </requestFiltering>
    </security>

How to add prefix string in Knockout data binding?

ID is a observable
<h2 data-bind="text:'Transaction ID:'+ID()"></h2>