Basic usage examples of ES0en. NET Dictionary

  • 2020-09-28 08:51:29
  • OfStack

 
Dictionary<string, string> o_Dic = new Dictionary<string, string>(); 
// Add elements  
o_Dic.Add("01", "aaa"); 
o_Dic.Add("02","bbb"); 
// Determine whether a key If there is a  
if (!o_Dic.ContainsKey("03")) 
{ 
o_Dic.Add("03", "ccc"); 
} 
// To remove a  
o_Dic.Remove("03"); 
// Take some value  
string a = o_Dic["02"]; 
// It �  
foreach (KeyValuePair<string, string> kvp in o_Dic) 
{ 
Response.Write(kvp.Key + "," + kvp.Value); 
} 
// It � key 
foreach (string s in o_Dic.Keys) { } 
// It � value 
foreach (string s in o_Dic.Values) { } 


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