/// <summary>
/// 得到一个对象实体
/// </summary>
public SmartTeaching.Entity.Base_BBS GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select ID, UserId, ToUserId, NewsId, CreateDate, NewsContent ");
strSql.Append(" from Base_BBS ");
strSql.Append(" where ID=@ID");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = ID;
SmartTeaching.Entity.Base_BBS model = new SmartTeaching.Entity.Base_BBS();
DataSet ds = SqlServerHelper.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());
}
if (ds.Tables[0].Rows[0]["UserId"].ToString() != "")
{
model.UserId = int.Parse(ds.Tables[0].Rows[0]["UserId"].ToString());
}
if (ds.Tables[0].Rows[0]["ToUserId"].ToString() != "")
{
model.ToUserId = int.Parse(ds.Tables[0].Rows[0]["ToUserId"].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]["CreateDate"].ToString() != "")
{
model.CreateDate = DateTime.Parse(ds.Tables[0].Rows[0]["CreateDate"].ToString());
}
model.NewsContent = ds.Tables[0].Rows[0]["NewsContent"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(SmartTeaching.Entity.Base_BBS model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Base_BBS set ");
strSql.Append(" UserId = @UserId , ");
strSql.Append(" ToUserId = @ToUserId , ");
strSql.Append(" NewsId = @NewsId , ");
strSql.Append(" CreateDate = @CreateDate , ");
strSql.Append(" NewsContent = @NewsContent ");
strSql.Append(" where ID=@ID ");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4),
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@ToUserId", SqlDbType.Int, 4),
new SqlParameter("@NewsId", SqlDbType.Int, 4),
new SqlParameter("@CreateDate", SqlDbType.DateTime),
new SqlParameter("@NewsContent", SqlDbType.VarChar, 200)
};
parameters[0].Value = model.ID;
parameters[1].Value = model.UserId;
parameters[2].Value = model.ToUserId;
parameters[3].Value = model.NewsId;
parameters[4].Value = model.CreateDate;
parameters[5].Value = model.NewsContent;
int rows = SqlServerHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(SmartTeaching.Entity.Base_BBS model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Base_BBS(");
strSql.Append("UserId,ToUserId,NewsId,CreateDate,NewsContent");
strSql.Append(") values (");
strSql.Append("@UserId,@ToUserId,@NewsId,@CreateDate,@NewsContent");
strSql.Append(") ");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@ToUserId", SqlDbType.Int, 4),
new SqlParameter("@NewsId", SqlDbType.Int, 4),
new SqlParameter("@CreateDate", SqlDbType.DateTime),
new SqlParameter("@NewsContent", SqlDbType.VarChar, 200)
};
parameters[0].Value = model.UserId;
parameters[1].Value = model.ToUserId;
parameters[2].Value = model.NewsId;
parameters[3].Value = model.CreateDate;
parameters[4].Value = model.NewsContent;
object obj = SqlServerHelper.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
