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Items are loaded in the Combo Box generally to be bound to a data source of the Combo Box.

A The data source is bound to a Combo Box using the "Data Source" property.

Since both Dictionary and Hashtable are internally hashtables, so fast access to many-item data according to key, also both need immutable and unique keys. Dictionary Vs Hash Table Both lists and dictionaries are used to store collections of data.

The Dictionary is based on a hash table, that means it uses a hash lookup, which is a rather efficient algorithm to look up things, on the other hand, a list you have to go element by element until it finds the result from beginning to the result each time. Dictionary vs List Following program is a full source code of adding and retrieving key values pairs in Dictionary Dim dict As New Dictionary(Of String, Integer)() dict.

In this blog post we will be demonstrating how to loop through a recordset.

We can search a Key in Dictionary by using the Contains Key method to test whether a key exists or not.

This document is divided into about 5 logical sections starting with a feature and structure overview, followed by an overview of built‑in column and cell types.

Next is an overview of working with data, followed by an overview of specific major features.

NET, you can create a wide variety of applications, such as a Console Applications, that displays its output in an MS-DOS-like window, Windows Applications that often displays a form-based interface, Web Applications, Web Services, Mobile Applications etc.

Sometimes we need to load a list of items to a Combo Box or Drop Down List for the user to select a value to be processed.

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