/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Shop.Model.Car model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into t_car(");
strSql.Append("orderid,gid,carnumber,carstatus,account)");
strSql.Append(" values (");
strSql.Append("@orderid,@gid,@carnumber,@carstatus,@account)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@orderid", SqlDbType.VarChar, 16),
new SqlParameter("@gid", SqlDbType.Int, 4),
new SqlParameter("@carnumber", SqlDbType.Int, 4),
new SqlParameter("@carstatus", SqlDbType.Int, 4),
new SqlParameter("@account", SqlDbType.Int, 4)
};
parameters[0].Value = model.orderid;
parameters[1].Value = model.gid;
parameters[2].Value = model.carnumber;
parameters[3].Value = model.carstatus;
parameters[4].Value = model.account;
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 Shop.Model.Car DataRowToModel(DataRow row)
{
Shop.Model.Car model = new Shop.Model.Car();
if (row != null)
{
if (row["orderid"] != null)
{
model.orderid = row["orderid"].ToString();
}
if (row["gid"] != null && row["gid"].ToString() != "")
{
model.gid = int.Parse(row["gid"].ToString());
}
if (row["carid"] != null && row["carid"].ToString() != "")
{
model.carid = int.Parse(row["carid"].ToString());
}
if (row["carnumber"] != null && row["carnumber"].ToString() != "")
{
model.carnumber = int.Parse(row["carnumber"].ToString());
}
if (row["carstatus"] != null && row["carstatus"].ToString() != "")
{
model.carstatus = int.Parse(row["carstatus"].ToString());
}
if (row["account"] != null && row["account"].ToString() != "")
{
model.account = int.Parse(row["account"].ToString());
}
}
return(model);
}
///更新
public bool UpdateCarid(Shop.Model.Car model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update t_car set ");
strSql.Append("carnumber=@carnumber,");
strSql.Append("carstatus=@carstatus,");
strSql.Append("account=@account,");
strSql.Append("orderid=@orderid");
strSql.Append(" where carid=@carid");
SqlParameter[] parameters =
{
new SqlParameter("@carnumber", SqlDbType.Int, 4),
new SqlParameter("@carstatus", SqlDbType.Int, 4),
new SqlParameter("@account", SqlDbType.Int, 4),
new SqlParameter("@orderid", SqlDbType.VarChar, 16),
new SqlParameter("@gid", SqlDbType.Int, 4),
new SqlParameter("@carid", SqlDbType.Int, 4)
};
parameters[0].Value = model.carnumber;
parameters[1].Value = model.carstatus;
parameters[2].Value = model.account;
parameters[3].Value = model.orderid;
parameters[4].Value = model.gid;
parameters[5].Value = model.carid;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Shop.Model.Car GetModel(int carid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 orderid,gid,carid,carnumber,carstatus,account from t_car ");
strSql.Append(" where carid=@carid");
SqlParameter[] parameters =
{
new SqlParameter("@carid", SqlDbType.Int, 4)
};
parameters[0].Value = carid;
Shop.Model.Car model = new Shop.Model.Car();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
