密码由6-12位数字或字母组成，密码哈希加密

<div class="cnblogs_code">

          button1_Click( pwdregex = =  (!=  = [] str = pwd =  ( i = ; i < str.Length; i+++= Convert.ToString(str[i],).PadLeft(, (StockManageDataContext smDataContext =  usrname = (.Parent  s = smDataContext.Users.Single(c => c.UserName ===.NavigationService.Navigate( Uri(=         }
        </span><span style="color: #0000ff;"&gt;else</span><span style="color: #000000;"&gt;
        {
            label_warning.Content </span>= <span style="color: #800000;"&gt;"</span><span style="color: #800000;"&gt;提示：两次输入的密码不同！</span><span style="color: #800000;"&gt;"</span><span style="color: #000000;"&gt;;
        }
    }</span></pre>