Guid mainfolderid = (main.GetValue(""));
<代码>main是一个动态实体。
如何将上述<代码>main.GetValue (")改为System.Guid
?
错误说:
不得含蓄地将物体转换为系统。 准则。
Guid mainfolderid = (main.GetValue(""));
<代码>main是一个动态实体。
如何将上述<代码>main.GetValue (")改为System.Guid
?
错误说:
不得含蓄地将物体转换为系统。 准则。
Guid mainfolderid = (Guid)main.GetValue("");
如果没有,<代码>GetValue,可向其中一名施工人(即<代码>byte[>或string
)发送的物品? 在这种情况下,你可以这样做:
Guid mainfolderid = new Guid(main.GetValue(""));
如果上述两种情况都不适用,那么你就重新需要做一些手工工作,以转换由<代码>GetValue退回到<>>。
如果您重新使用4.0.Net,则在指南中添加了包装方法:
Guid Guid.Parse(string input)
以及
bool Guid.TryParse(string input, out Guid result)
你们想要做的事情。
Guid mainfolderid = new Guid(main.GetValue("").ToString());
一种办法是使用GUID建筑商,并通过该建筑工程师协会的严格代表。 如果该物体确实是古董会的有力代表,这将发挥作用。 例:
Guid mainfolderid = new Guid(main.GetValue("").ToString());
Guid mainfolderid = (Guid)(main.GetValue(""));
http://msdn.microsoft.com/en-us/library/system.guid.aspx” rel=“nofollow”> 可在上通过阐明代表加以设计,因此这项工作应当:
Guid result = new Guid(main.GetValue("").ToString());
采用喷气式喷气式喷气机的方法:
GuidAttribute guidAttr;
object[] arrAttrs;
Type type;
string strGuid;
type = main.GetType();
arrAttrs = type.Assembly.GetCustomAttributes(typeof(System.Runtime.InteropServices.GuidAttribute), false);
guidAttr = (arrAttrs != null && arrAttrs.Length > 0) ? arrAttrs[0] as GuidAttribute: null;
if (guidAttr != null) {
strGuid = "{" + guidAttr.Value.ToUpper() + "}";
}
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