递归生成json
1 void GetCategory(DataSet ds, int ID) 2 { 3 var list = ds.Tables[0].AsEnumerable().Where(c => c.Field<int>("ParentID") == ID); 4 5 sb.Append("["); 6 7 8 foreach (DataRow item in list) 9 { 10 sb.Append("{name:'" + item.Field<string>("CategoryName") + "',classid:" + item.Field<int>("PE_ClassID") + ",contorl:'<a href=\"javascript:void(0)\" onclick=\"AddCategory(" + item.Field<int>("ID") + "," + item.Field<int>("Level") + ")\">添加子类</a> <a href=\"javascript:void(0)\" onclick=\"UpdateCategory(" + item.Field<int>("ID") + ")\">修改</a> <a href=\"javascript:void(0)\" onclick=\"DelCategory(" + item.Field<int>("ID") + ")\">删除</a>'"); 11 12 if (!item.Field<bool>("IsLeaf")) 13 { 14 sb.Append(",children:"); 15 GetCategory(ds, item.Field<int>("ID")); 16 } 17 18 sb.Append("},"); 19 } 20 sb.Remove(sb.Length - 1, 1); 21 sb.Append("]"); 22 }