Convert querystring from/to object

A solution with Newtonsoft Json serializer and linq:

string responseString = "BaseNo=5&Width=100";
var dict = HttpUtility.ParseQueryString(responseString);
string json = JsonConvert.SerializeObject(dict.Cast<string>().ToDictionary(k => k, v => dict[v]));
StarBuildParams respObj = JsonConvert.DeserializeObject<StarBuildParams>(json);

You can use reflection, something like this:

public T GetFromQueryString<T>() where T : new(){
    var obj = new T();
    var properties = typeof(T).GetProperties();
    foreach(var property in properties){
        var valueAsString = HttpContext.Current.Request.QueryString[property.PropertyName];
        var value = Parse( valueAsString, property.PropertyType);

        if(value == null)
            continue;

        property.SetValue(obj, value, null);
    }
    return obj;
 }

You'll need to implement the Parse method, just using int.Parse, decimal.Parse, DateTime.Parse, etc.