错误信息:CS0120 - An object reference is required for the non-static field, method, or property. 含义:此错误表明你尝试在静态方法、静态属性或静态构造函数等静态上下文中直接访问一个非静态字段、方法或属性。由于非静态成员依赖于类的实例,而静态上下文不依赖于任何特定实例,因此无法直接访问非静态成员。 2....
An object reference is required for the non-static field, method, or property An unhandled exception of type 'System.IO.IOException' occurred in mscorlib.dll. Additional information: The process cannot access the file because it is being used by another process. Angle between two lines Anti debu...
因为它是在静态方法run中被调用的。
Select a value in the string control and press the OK button to display the processing result in the Grid. It is implemented as below. 1.override form’s init() method and initialize another tempDB buffer of the same type and link its physical instance to the current data source buffer. ...
Error an object reference is required for the non-static field, method, or property Error Code 443 Error Creating a SymmetricSecurityKey error CS0103: does not exist in the current context error CS0246: The type or namespace name 'NetworkCredentials' could not be found (are you missing a us...
I encounter an error "CS0120: An object reference is required for the non-static field, method, or property 'Student_Form.StudentID_textBox'". I try to assign a value "0" to the textBox as shown in the screen capture below in the design time. I still get this error. Could...
Static members are static in nature and not callable in the non-static field. Static members cannot be instantiated and inherited due to their static nature. Error: An object reference is required for the non-static field, method, or property...
Enter your need Object reference not set to an instance of an object. 翻译结果2复制译文编辑译文朗读译文返回顶部 Please input you to need Object reference not set to an instance of an object. 翻译结果3复制译文编辑译文朗读译文返回顶部 Please enter your required Object reference not set to an in...
Object reference not set to an instance of an object 03-02-2016 07:09 AM So I have my PowerQuery working perfectly but when I apply and load the "Apply Query Changes" comes back with the error above. I'm not sure what is causing this but I may have a suspicion. My query...
display reference data to the user, allowing the user to select from valid alternatives rather than type the information. The emissary also knows many of the business rules used by the fiefdom, so it can help the user fill the request in a way that the fiefdom is more likely to accept ...