连接字符的问题

Question

a是一个字符串，表示某个图片的文件名。显示图片this.picturebox1.image=image.fromfile("a");怎么用b来代表括号里的"a",即this.picturebox1.image=image.fromfile(b);这样来显示图片？求助

Answer 1

string b = "a.jpg";
this.picturebox1.image = image.fromfile(b);

Answer 2

String b = a;
this.picturebox1.image = image.fromfile(b);

Answer 3

string b = "图片路径呗";
this.picturebox1.image = image.fromfile(b);

Answer 4

this.picturebox1.LoctionImage="路径";

Answer 5

string a = @"D:\1.jpg";
string b = a;
//string b = @"D:\1.jpg";
pictureBox1.Image = Image.FromFile(b);
//pictureBox1.Image = Image.FromFile(@"D:\1.jpg");

Answer 6

string b = @"C:\test.jpg"; //给出绝对或者相对路径
this.picturebox1.image=image.fromfile(b);