C# 4.0 C控制台应用程序错误“非静态字段、方法或属性需要对象引用”

错误1非静态字段、方法或属性“ConsoleApplication\u FileTest.Program.GetAverageSalarystring”C:\Users\Dawn\documents\visual studio 11\Projects\ConsoleApplication\u FileTest\ConsoleApplication\u FileTest\Program.cs 98 24 ConsoleApplication\u FileTest”需要对象引用

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        Dictionary<string, double> GetAverageSalary(string filename)
        {
...

GetAverageSalary方法不是静态的。你必须把它改成

static Dictionary<string, double> GetAverageSalary(string filename)

static Dictionary<string, double> GetAverageSalary(string filename)