/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Dianda.Model.News_LimitUser model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into News_LimitUser(");
strSql.Append("UserID,NewsID,IsRead,ReadTime)");
strSql.Append(" values (");
strSql.Append("@UserID,@NewsID,@IsRead,@ReadTime)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@UserID", SqlDbType.VarChar, 50),
new SqlParameter("@NewsID", SqlDbType.Int, 4),
new SqlParameter("@IsRead", SqlDbType.Int, 4),
new SqlParameter("@ReadTime", SqlDbType.DateTime)
};
parameters[0].Value = model.UserID;
parameters[1].Value = model.NewsID;
parameters[2].Value = model.IsRead;
parameters[3].Value = model.ReadTime;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(1);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(Dianda.Model.News_LimitUser model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update News_LimitUser set ");
strSql.Append("UserID=@UserID,");
strSql.Append("NewsID=@NewsID,");
strSql.Append("IsRead=@IsRead,");
strSql.Append("ReadTime=@ReadTime");
strSql.Append(" where ID=@ID ");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4),
new SqlParameter("@UserID", SqlDbType.VarChar, 50),
new SqlParameter("@NewsID", SqlDbType.Int, 4),
new SqlParameter("@IsRead", SqlDbType.Int, 4),
new SqlParameter("@ReadTime", SqlDbType.DateTime)
};
parameters[0].Value = model.ID;
parameters[1].Value = model.UserID;
parameters[2].Value = model.NewsID;
parameters[3].Value = model.IsRead;
parameters[4].Value = model.ReadTime;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Dianda.Model.News_LimitUser GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ID,UserID,NewsID,IsRead,ReadTime from News_LimitUser ");
strSql.Append(" where ID=@ID ");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = ID;
Dianda.Model.News_LimitUser model = new Dianda.Model.News_LimitUser();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["ID"].ToString() != "")
{
model.ID = int.Parse(ds.Tables[0].Rows[0]["ID"].ToString());
}
model.UserID = ds.Tables[0].Rows[0]["UserID"].ToString();
if (ds.Tables[0].Rows[0]["NewsID"].ToString() != "")
{
model.NewsID = int.Parse(ds.Tables[0].Rows[0]["NewsID"].ToString());
}
if (ds.Tables[0].Rows[0]["IsRead"].ToString() != "")
{
model.IsRead = int.Parse(ds.Tables[0].Rows[0]["IsRead"].ToString());
}
if (ds.Tables[0].Rows[0]["ReadTime"].ToString() != "")
{
model.ReadTime = DateTime.Parse(ds.Tables[0].Rows[0]["ReadTime"].ToString());
}
return(model);
}
else
{
return(null);
}
}
