public void DeleteHousePic(long housePicId)
{
using (ZSZDbContext ctx = new ZSZDbContext())
{
HousePicEntity entity = new HousePicEntity();
entity.Id = housePicId;
ctx.Entry(entity).State = EntityState.Deleted;
ctx.SaveChanges();
}
}
public void Update(long roleId, string roleName)
{
using (ZSZDbContext ctx = new ZSZDbContext())
{
RoleEntity role = new RoleEntity();
role.Id = roleId;
ctx.Entry(role).State = System.Data.Entity.EntityState.Unchanged;
role.Name = roleName;
ctx.SaveChanges();
}
}
public void Update(long roleId, string roleName)
{
using (ZSZDbContext ctx = new ZSZDbContext())
{
BaseService <RoleEntity> bs = new BaseService <RoleEntity>(ctx);
bool exists = bs.GetAll().Any(r => r.Name == roleName && r.Id != roleId);
if (exists)
{
throw new ArgumentException("数据不正确");
}
RoleEntity role = new RoleEntity();
role.Id = roleId;
ctx.Entry(role).State = System.Data.Entity.EntityState.Unchanged;
role.Name = roleName;
ctx.SaveChanges();
}
}
/// <summary>
/// 更新roleId角色的名字为roleName
/// </summary>
/// <param name="roleId"></param>
/// <param name="roleName"></param>
public void Update(long roleId, string roleName)
{
using (ZSZDbContext ctx = new ZSZDbContext())
{
BaseService <RoleEntity> roleBS = new BaseService <RoleEntity>(ctx);
bool exists = roleBS.GetAll().Any(r => r.Name == roleName && r.Id != roleId);
//正常情况不应该执行这个异常，因为UI层应该把这些情况处理好
//这里只是“把好最后一关”
if (exists)
{
throw new ArgumentException("");
}
RoleEntity role = new RoleEntity();
role.Id = roleId;
ctx.Entry(role).State = System.Data.Entity.EntityState.Unchanged;
role.Name = roleName;
ctx.SaveChanges();
}
}
/// <summary>
/// 根据roleId更新角色名称
/// </summary>
/// <param name="roleId"></param>
/// <param name="roleName"></param>
public void Update(long roleId, string roleName)
{
using (ZSZDbContext ctx = new ZSZDbContext())
{
BaseService <RoleEntity> bs = new BaseService <RoleEntity>(ctx);
var role = bs.GetAll().ToList().SingleOrDefault(r => r.Name == roleName && r.Id == roleId);
//正常情况不应该执行这个异常，因为UI层应该把这些情况处理好
//这里只是“把好最后一关”
if (role == null)
{
throw new ArgumentException("不存在" + roleId + "角色");
}
/*role.Name = roleName;
* ctx.Roles.Add(role);
* ctx.SaveChanges();*/
RoleEntity roleentity = new Entities.RoleEntity();
roleentity.Id = roleId;
ctx.Entry(role).State = EntityState.Unchanged;
role.Name = roleName;
ctx.SaveChanges();
}
}