/// <summary>
/// 得到一个对象实体
/// </summary>
public DXD.Model.city_list DataRowToModel(DataRow row)
{
DXD.Model.city_list model = new DXD.Model.city_list();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["country_id"] != null && row["country_id"].ToString() != "")
{
model.country_id = int.Parse(row["country_id"].ToString());
}
if (row["city_name"] != null)
{
model.city_name = row["city_name"].ToString();
}
if (row["order_no"] != null && row["order_no"].ToString() != "")
{
model.order_no = int.Parse(row["order_no"].ToString());
}
if (row["add_user"] != null)
{
model.add_user = row["add_user"].ToString();
}
if (row["add_time"] != null && row["add_time"].ToString() != "")
{
model.add_time = DateTime.Parse(row["add_time"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(DXD.Model.city_list model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into city_list(");
strSql.Append("country_id,city_name,order_no,add_user,add_time)");
strSql.Append(" values (");
strSql.Append("@city_name,@order_no,@add_user,@add_time)");
strSql.Append(";select LAST_INSERT_ROWID()");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@country_id", DbType.Int32, 8),
new SQLiteParameter("@city_name", DbType.String, 50),
new SQLiteParameter("@order_no", DbType.Int32, 8),
new SQLiteParameter("@add_user", DbType.String, 50),
new SQLiteParameter("@add_time", DbType.DateTime)
};
parameters[0].Value = model.country_id;
parameters[1].Value = model.city_name;
parameters[2].Value = model.order_no;
parameters[3].Value = model.add_user;
parameters[4].Value = model.add_time;
object obj = DbHelperSQLite.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(DXD.Model.city_list model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update city_list set ");
strSql.Append("country_id=@country_id,");
strSql.Append("city_name=@city_name,");
strSql.Append("order_no=@order_no,");
strSql.Append("add_user=@add_user,");
strSql.Append("add_time=@add_time");
strSql.Append(" where id=@id");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@country_id", DbType.Int32, 8),
new SQLiteParameter("@city_name", DbType.String, 50),
new SQLiteParameter("@order_no", DbType.Int32),
new SQLiteParameter("@add_user", DbType.String, 50),
new SQLiteParameter("@add_time", DbType.DateTime),
new SQLiteParameter("@id", DbType.Int32, 8)
};
parameters[0].Value = model.country_id;
parameters[1].Value = model.city_name;
parameters[2].Value = model.order_no;
parameters[3].Value = model.add_user;
parameters[4].Value = model.add_time;
parameters[5].Value = model.id;
int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public DXD.Model.city_list GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id,country_id,city_name,order_no,add_user,add_time from city_list ");
strSql.Append(" where id=@id");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@id", DbType.Int32, 4)
};
parameters[0].Value = id;
DXD.Model.city_list model = new DXD.Model.city_list();
DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
