get key dictionary c# code example
Example 1: c# dictionary get value by key
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("UserID", "test");
string userIDFromDictionaryByKey = dict["UserID"];
Example 2: dictionary c# get key by value
var myKey = types.FirstOrDefault(x => x.Value == "one").Key;
Example 3: get key value from object c#
Type myType = myObject.GetType();
IList<PropertyInfo> props = new List<PropertyInfo>(myType.GetProperties());
foreach (PropertyInfo prop in props)
{
object propValue = prop.GetValue(myObject, null);
}
Example 4: how to add object in dictionary in c#
public TValue this[TKey key]
{
get
{
int index = this.FindEntry(key);
if (index >= 0)
{
return this.entries[index].value;
}
ThrowHelper.ThrowKeyNotFoundException();
return default(TValue);
}
set
{
this.Insert(key, value, false);
}
}