结构体定义为
struct modelshape//图案的数据类型
        {
             int[,] model=new int[4,4];
        };
以下为结构体数组赋值
modelshape[] modeltype = new modelshape[]{{1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0},{1,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0},{0,1,0,0,1,1,1,0,0,0,0,0,0,0,0,0},{1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0},
            {1,0,0,0,1,1,0,0,1,0,0,0,0,0,0,0},{0,1,0,0,1,1,0,0,0,1,0,0,0,0,0,0},{1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0},{1,0,0,0,1,0,0,0,1,1,0,0,0,0,0,0},{0,1,0,0,0,1,0,0,1,1,0,0,0,0,0,0},{1,1,0,0,1,0,0,0,1,0,0,0,0,0,0,0},
            {1,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0},{1,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0},{0,0,1,0,1,1,1,0,0,0,0,0,0,0,0,0},{1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0},{1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0},{1,0,0,0,1,1,0,0,0,1,0,0,0,0,0,0},
            {0,1,0,0,1,1,0,0,1,0,0,0,0,0,0,0},{1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0},{0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0},{1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0},{1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0},{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
            {0,1,0,0,1,1,1,0,0,1,0,0,0,0,0,0},{1,1,1,0,1,0,0,0,1,0,0,0,0,0,0,0},{1,1,1,0,0,0,1,0,0,0,1,0,0,0,0,0},{0,0,1,0,0,0,1,0,1,1,1,0,0,0,0,0},{1,0,0,0,1,0,0,0,1,1,1,0,0,0,0,0}};

上面是定义一个结构体数组，大小为27，并为其中每个结构体赋值
但在程序赋值的时候报错了，应该怎么处理

在C＃中你的代码不是正确。
可能你可以用这个解答：

struct modelshape
{
    public int[,] model;
};

static modelshape[] ConvertToModelShapeCollection(int[][] array)
{
    return array.Select(line => new modelshape { model = Enumerable.Range(0, 16).Aggregate(new int[4, 4], (a, n) => { a[n / 4, n % 4] = line[n]; return a; }) }).ToArray();
}

static void Main()
{
    modelshape[] modeltype = ConvertToModelShapeCollection(new []{
                                                                    new[]{1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0},
                                                                    new[]{1,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0},
                                                                    new[]{0,1,0,0,1,1,1,0,0,0,0,0,0,0,0,0}});
}