错误描述： 没有注册类别 (异常来自 HRESULT:0x80040154 (REGDB_E_CLASSNOTREG))
调用堆栈：
在 System.Windows.Forms.UnsafeNativeMethods.CoCreateInstance(Guid& clsid, Object punkOuter, Int32 context, Guid& iid)
在 System.Windows.Forms.AxHost.CreateWithoutLicense(Guid clsid)
在 System.Windows.Forms.AxHost.CreateInstanceCore(Guid clsid)
在 System.Windows.Forms.AxHost.CreateInstance()
在 System.Windows.Forms.AxHost.GetOcxCreate()
在 System.Windows.Forms.AxHost.set_Site(ISite value)
在 System.ComponentModel.Container.Add(IComponent component, String name)
在 System.ComponentModel.Design.DesignerHost.Add(IComponent component, String name)
在 System.ComponentModel.Design.DesignerHost.System.ComponentModel.Design.IDesignerHost.CreateComponent(Type componentType, String name)
在 System.ComponentModel.Design.Serialization.DesignerSerializationManager.CreateInstance(Type type, ICollection arguments, String name, Boolean addToContainer)
在 System.ComponentModel.Design.Serialization.DesignerSerializationManager.System.ComponentModel.Design.Serialization.IDesignerSerializationManager.CreateInstance(Type type, ICollection arguments, String name, Boolean addToContainer)
在 System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeInstance(IDesignerSerializationManager manager, Type type, Object[] parameters, String name, Boolean addToContainer)
在 System.ComponentModel.Design.Serialization.ComponentCodeDomSerializer.DeserializeInstance(IDesignerSerializationManager manager, Type type, Object[] parameters, String name, Boolean addToContainer)
在 System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeExpression(IDesignerSerializationManager manager, String name, CodeExpression expression)
在 System.ComponentModel.Design.Serialization.CodeDomSerializer.DeserializeStatementToInstance(IDesignerSerializationManager manager, CodeStatement statement)
在 System.ComponentModel.Design.Serialization.CodeDomSerializer.Deserialize(IDesignerSerializationManager manager, Object codeObject)
在 System.Windows.Forms.Design.ControlCodeDomSerializer.Deserialize(IDesignerSerializationManager manager, Object codeObject)
在 System.ComponentModel.Design.Serialization.TypeCodeDomSerializer.DeserializeName(IDesignerSerializationManager manager, String name, CodeStatementCollection statements)
如何才能解决呢？
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不小心改动了环境或重新注册一下控件或到期
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你的com组件被卸载了
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重新装载COM组件
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移除后重新引用com组件
