'System.Collections.IList' is a 'type',which is not valid in the gi

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System. using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Cons using System; using System.Collections; using System.Configuration; using System.Data; using System.using System;using System.Collections;using System.Configuration;using System.Data;using System.Linq;using System.Web;using System.Web.Security;using c#高手看看什么问题 using System; using System.Collections.Generic; using System.ComponentModel; usiusing System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System 关于c# using systemusing System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms; using System; using System.Collections.Generic; using System.Windows.Forms; namespace gxz { static using System;using System.Collections.Generic;using System.Windows.Forms;namespace gxz{static class Program{/// /// 应用程序的主入口点./// [ST using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; usi 摄氏温度和华氏温度之间的转换.using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace _11_1{public partial 'System.Collections.IList' is a 'type',which is not valid in the gi 求0-100所有的质数用c#编写using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;namespace WindowsApplication2{ public partial class For 求大神帮下忙,这个错哪里了呀,怎么修改using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace hanshu2{ class Program { static void MaxValue(int[] intArray,ou System.Text.StringBuilder”并不包含“Split”的定义想要以‘c’为分隔,分离字符串,但是提示如题错误,怎么改呢?using System;using System.Collections.Generic;using System.Text;namespace ConsoleApplication5{class Program{st 下列语句错在错在哪里using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace HelloWorld{class Program{static int Main(){Console.Write(HelloWorld);Console.WriteLine(Hello2);Console.Read();return i;}}} c# 问题 注释怎么写using System;using System.Collections.Generic;using System.Text;namespace ConsoleApplication1{ class Program { static void Main(string[] args) { ComplexNumber x, y; Console.Write(Ent 遇到难题了我用C#（+EmguCV+OpenCV）调用matlaB写的小波分解函数 但是不成功 有错误 代码如下：using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Tex System SYSTEM. system