/// <summary>
/// 向数据库中添加一条记录
/// </summary>
/// <param name="model">要添加的实体</param>
/// <returns>插入数据的ID</returns>
public int Insert(TagModel model)
{
#region SQL语句
const string sql = @"
INSERT INTO [dbo].[Tag] (
[TagName]
)
VALUES (
@TagName
);select @@IDENTITY";
#endregion
var res = SqlHelper.ExecuteScalar(sql,
new SqlParameter("@TagName", model.TagName)
);
return res == null ? 0 : Convert.ToInt32(res);
}
/// <summary>
/// 根据主键ID更新一条记录
/// </summary>
/// <param name="model">更新后的实体</param>
/// <returns>执行结果受影响行数</returns>
public int Update(TagModel model)
{
return _dao.Update(model);
}
/// <summary>
/// 向数据库中添加一条记录
/// </summary>
/// <param name="model">要添加的实体</param>
/// <returns>插入数据的ID</returns>
public int Insert(TagModel model)
{
return _dao.Insert(model);
}
/// <summary>
/// 根据主键ID更新一条记录
/// </summary>
/// <param name="model">更新后的实体</param>
/// <returns>执行结果受影响行数</returns>
public int Update(TagModel model)
{
#region SQL语句
const string sql = @"
UPDATE [dbo].[Tag]
SET
[TagName] = @TagName
WHERE [TId] = @TId";
#endregion
return SqlHelper.ExecuteNonQuery(sql,
new SqlParameter("@TId", model.TId),
new SqlParameter("@TagName", model.TagName)
);
}