change the property in to model pop up style sheet you got location from this style sheet other wise you can set position for model pop up control by code behind also.

Save the state of drop down list get value from request.form or query string do not fill all entry every time because if you did so every time new values is filled and state can not be maintained you can try one more option before submitting the form save the value into hidden variable by using java script and then get values from request object not from drop down because it lost their value when it fill again

foreach (control ctrl in page) { if(ctrl is checkbox) { ((checkbox)(ctrl)).enabled = false; ((checkbox)(ctrl)).checked = flase; } }

Give me code by that you are calling web service you are missing something. You can also do remote debugging for your web service by that you found exact problem for remote debugging just attach process by which you are calling your web service if that is different machine then run webserive and put break point into web service when client call web service automatically execution stop on your break point.

You can copy this code from any website for example nokri.com which having all combo of this type but if you need it originally then lot of site provide complete list of same. Code 1. Just fill all the entry into combo and Enable post back. 2. On Change of first combo fill the sate for country according to country name. 3. Then same for city Table CountryName, StateName, CityName

1. Redirect your page on new location when data is successfully saved when user refresh the page it found new page refreshed which is not contains any sort of data saving code. 2. Clear all the state of controls after data saving and write state check condition before data save but I think first approach is better approach if you found any difficulty then I will send you sample code but remember if user go back to page and repeat same activity then you have to give dynamic image by that you always check random image code before saving same as in yahoo, google.