Now here in this tutorial, I’ll explain how to bind dropdownlist country-state-city cascading using ajax without page refresh that depends on one another in asp.net using c# as well as vb.net with example code. If you check my previous tutorials, I’d explained about simpe country-state-city cascading for dropdownlist, ajax introduction with example, dynamically bind and show data in dropdownlist, and other amazing tutorials on DropDownList, GridView, and Asp.net
In my previous tutorials, I’d explained the difference between String and StringBuilder, difference between executereader executenonquery and executescalar, difference between dataset datareader dataadapter and dataview and other similar tutorials on Difference, Asp.net here. In the .NET Framework, at least in the C# language, we have available two types of string class, they are String and string. So, many developers are confused about both types of classes and want to know the difference between them. So, here in this tutorial I’ll explain the difference between String and string in asp.net c# and also explain which one is best and appropriate to use among them.
In my previous tutorials, I’d explained about ExecuteScalar, ExecuteNonQuery and Difference between ExecuteReader ExecuteNonQuery and ExecuteScalar and other more cracking tutorials on Asp.net here. Now here in this tutorial, I’ll explain Ado.net ExecuteReader function in detail with example code.
In my previous tutorials, I’d explained about get files list from directory, how to bind data to gridview, insert update delete gridview data using parameterized query, difference between executereader executenonquery and executescalar and other more cracking tutorials on Files, Asp.net, GridView, jQuery here. Now here in this tutorial, I’ll explain how to upload the files from your local computer and save it to server folder and then download that files from server folder in asp.net using c# and vb.net with sample demo and example code.