Console.Write("请输入你的数组元素，以空格隔开，以回车结束：");
string str = Console.ReadLine();
string [] result= str.Split(' ');
int[] myArray = new int[result.Length];
for(int i=0;i<myArray.Length;i++)
{
    myArray[i]=Convert.ToInt32(result[i]);
}
int maxVal=MaxValue(myArray);
Console.WriteLine("The maximum value in myArray is {0}",maxVal);
Console.ReadKey();

------解决方案--------------------
class Program
   {
       static int MaxValue(int[] intArray)
       {
           int maxVal = intArray[0];
           for (int i = 1; i < intArray.Length; i++)
           {
               if (intArray[i] > maxVal)
               {
                   maxVal = intArray[i];
               }
           }
           return maxVal;
       }

       static void Main(string[] args)
       {
           Console.Write("请输入你的数组元素，以空格隔开，以回车结束：");
           string str = Console.ReadLine();
           string[] result = str.Split(' ');
           int[] myArray = new int[result.Length];
           for (int m = 0; m < result.Length; m++)
           {
               myArray[m] = Convert.ToInt32(result[m]);
           }
           //int[] myArray ={ 1, 8, 3, 6, 2, 5, 9, 3, 0, 2 };
           Console.WriteLine("数组元素有:");
           for (int i = 0; i < myArray.Length; i++)
           {
               Console.WriteLine("{0}",myArray[i]);
           }
           int maxVal = MaxValue(myArray);
           Console.WriteLine("The maximum value in myArray is {0}", maxVal);
           Console.ReadKey();
       }
   }