var t10 = db.Updateable<Student>() .UpdateColumns(it => new Student() { Name = "a", CreateTime = DateTime.Now }) .Where(it => it.Id == 11).ExecuteCommand(); 无法执行

[donet5]

var t10 = db.Updateable() .UpdateColumns(it => new Student() { Name = "a", CreateTime = DateTime.Now }) .Where(it => it.Id == 11).ExecuteCommand(); 无法执行

from sqlsugar.

[DotNetNext]

我的源码可以通过

[haibozhou1011]

我是封装成 Repository 模式，然后在业务层调用就报错！直接用时没有问题。

[haibozhou1011]

using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Threading.Tasks;
using IrobotBox.Infrastructure.Model;
using IrobotBox.Infrastructure.Repository.Base.IBaseRepository;

namespace IrobotBox.Infrastructure.Repository.Base.BaseRepository
{
public partial class Repository<TModel, TPrimaryKey> : IRepository<TModel, TPrimaryKey>
where TModel : class, IModel, new()
{
public int Update(TModel model)
{
return DbClient.Updateable(model).ExecuteCommand();
}

    public int Update(Expression<Func<TModel, bool>> whereEpression, Expression<Func<TModel, object>> updateColumns)
    {
        
        return DbClient.Updateable<TModel>().UpdateColumns(updateColumns).Where(whereEpression).ExecuteCommand();
    }

    public int Update(IEnumerable<TModel> models)
    {
        return DbClient.Updateable<TModel>(models).ExecuteCommand();
    }

    public async Task<int> UpdateAsync(TModel model)
    {
        return await DbClient.Updateable<TModel>(model).ExecuteCommandAsync();
    }
    public async Task<int> UpdateAsync(Expression<Func<TModel, bool>> whereEpression, Expression<Func<TModel, object>> updateColumns)
    {

        return await DbClient.Updateable<TModel>().UpdateColumns(updateColumns).Where(whereEpression).ExecuteCommandAsync();
    }
    public async Task<int> UpdateAsync(IEnumerable<TModel> models)
    {
        return await DbClient.Updateable<TModel>(models).ExecuteCommandAsync();
    }
}

}

[haibozhou1011]

public int Update(Expression<Func<TModel, bool>> whereEpression, Expression<Func<TModel, object>> updateColumns)
{

        return DbClient.Updateable<TModel>().UpdateColumns(updateColumns).Where(whereEpression).ExecuteCommand();
    }

调用这个方法就报错！

[haibozhou1011]

public void Update(long id)
{
_sysUserRepository.Update(m => m.Id == id, m => new Sys_User { UserName = "abcdef" });
}
业务层，是这样调的。

[haibozhou1011]

[haibozhou1011]

报错是上图所示！