/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Model.prizes model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into dt_prizes(");
strSql.Append("user_id,user_name,prize,add_time");
strSql.Append(") values (");
strSql.Append("@user_id,@user_name,@prize,@add_time");
strSql.Append(") ");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@user_id", SqlDbType.Int, 4),
new SqlParameter("@user_name", SqlDbType.VarChar, 150),
new SqlParameter("@prize", SqlDbType.VarChar, 500),
new SqlParameter("@add_time", SqlDbType.DateTime)
};
parameters[0].Value = model.user_id;
parameters[1].Value = model.user_name;
parameters[2].Value = model.prize;
parameters[3].Value = model.add_time;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.prizes GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id, user_id, user_name, prize, add_time ");
strSql.Append(" from dt_prizes ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
Model.prizes model = new Model.prizes();
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());
}
if (ds.Tables[0].Rows[0]["user_id"].ToString() != "")
{
model.user_id = int.Parse(ds.Tables[0].Rows[0]["user_id"].ToString());
}
model.user_name = ds.Tables[0].Rows[0]["user_name"].ToString();
model.prize = ds.Tables[0].Rows[0]["prize"].ToString();
if (ds.Tables[0].Rows[0]["add_time"].ToString() != "")
{
model.add_time = DateTime.Parse(ds.Tables[0].Rows[0]["add_time"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.prizes model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update dt_prizes set ");
strSql.Append(" user_id = @user_id , ");
strSql.Append(" user_name = @user_name , ");
strSql.Append(" prize = @prize , ");
strSql.Append(" add_time = @add_time ");
strSql.Append(" where id=@id ");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4),
new SqlParameter("@user_id", SqlDbType.Int, 4),
new SqlParameter("@user_name", SqlDbType.VarChar, 150),
new SqlParameter("@prize", SqlDbType.VarChar, 500),
new SqlParameter("@add_time", SqlDbType.DateTime)
};
parameters[0].Value = model.id;
parameters[1].Value = model.user_id;
parameters[2].Value = model.user_name;
parameters[3].Value = model.prize;
parameters[4].Value = model.add_time;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.prizes model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Model.prizes model)
{
return(dal.Add(model));
}
/// <summary>
/// 添加中间记录
/// </summary>
/// <param name="user_id"></param>
/// <param name="user_name"></param>
/// <param name="prize"></param>
private void add_prize(int user_id, string user_name, string prize)
{
Model.prizes model = new Model.prizes();
model.add_time = DateTime.Now;
model.prize = prize;
model.user_id = user_id;
model.user_name = user_name;
BLL.prizes pbll = new BLL.prizes();
pbll.Add(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.prizes GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id, user_id, user_name, prize, add_time ");
strSql.Append(" from dt_prizes ");
strSql.Append(" where id=@id");
SqlParameter[] parameters = {
new SqlParameter("@id", SqlDbType.Int,4)
};
parameters[0].Value = id;
Model.prizes model = new Model.prizes();
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());
}
if (ds.Tables[0].Rows[0]["user_id"].ToString() != "")
{
model.user_id = int.Parse(ds.Tables[0].Rows[0]["user_id"].ToString());
}
model.user_name = ds.Tables[0].Rows[0]["user_name"].ToString();
model.prize = ds.Tables[0].Rows[0]["prize"].ToString();
if (ds.Tables[0].Rows[0]["add_time"].ToString() != "")
{
model.add_time = DateTime.Parse(ds.Tables[0].Rows[0]["add_time"].ToString());
}
return model;
}
else
{
return null;
}
}