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我想在MSDN中使用C#更新一个WMI实例,下面的例子但我无法让它工作。它解雇了我一个'System.Management.ManagementException',它不给我任何答案。你能告诉我如果我做错了什么吗?WMI实例更新失败
public void UpdateInstance(string parametersJSON)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
object result = serializer.Deserialize(parametersJSON, typeof(object));
Dictionary<string, object> dic = (Dictionary<string, object>)result;
PutOptions options = new PutOptions();
options.Type = PutType.UpdateOnly;
ManagementObject objHostSetting = new ManagementObject();
objHostSetting.Scope = new ManagementScope("root\\onguard");
objHostSetting.Path = new ManagementPath("Lnl_Cardholder.SSNO = '33263085'"); // This is the line that fires the exception
foreach (KeyValuePair<string, object> value in dic)
{
objHostSetting[value.Key] = value.Value.ToString();
}
//update the ManagementObject
objHostSetting.Put(options);
}