首先看下页面  代码如下 privatevoidbtn_Create_Click(objectsender,EventArgse) { stringuuid=GetUuid(); stringjiqima=GenerateMD5(uuid).ToUpper(); tb_IdCard.Text=jiqima; } ///<summary> ///获取UUID ///</summary> ///<returns></returns> publicstaticstringGetUuid() { stringuuid=null; try ...