判断Dictionary中Key是否存在

[zhaizhaoxuan]

怎么判断Dictionary中，指定的Key已存在

[种草德鲁伊]

if(dict.ContainsKey(T key))
{
//已存在key
}

[兔子-顾问]

Dictionary.ContainsKey 方法
http://msdn.microsoft.com/zh-cn/library/kw5aaea4(VS.80).aspx

[wuyq11]

Dictionary<int, string> dic = new Dictionary<int, string>();
if(dic.Keys.Contains<int>(id))
{
}
dic.ContainsKey(keyvalue)