/// <summary>
/// 获得数据列表
/// </summary>
public List <System.Model.t_city2> DataTableToList(DataTable dt)
{
List <System.Model.t_city2> modelList = new List <System.Model.t_city2>();
int rowsCount = dt.Rows.Count;
if (rowsCount > 0)
{
System.Model.t_city2 model;
for (int n = 0; n < rowsCount; n++)
{
model = new System.Model.t_city2();
if (dt.Rows[n]["id"].ToString() != "")
{
model.id = int.Parse(dt.Rows[n]["id"].ToString());
}
model.cityID = dt.Rows[n]["cityID"].ToString();
model.city = dt.Rows[n]["city"].ToString();
model.father = dt.Rows[n]["father"].ToString();
modelList.Add(model);
}
}
return(modelList);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(System.Model.t_city2 model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update t_city2 set ");
strSql.Append(" id = @id , ");
strSql.Append(" cityID = @cityID , ");
strSql.Append(" city = @city , ");
strSql.Append(" father = @father ");
strSql.Append(" where id=@id ");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4),
new SqlParameter("@cityID", SqlDbType.NVarChar, 50),
new SqlParameter("@city", SqlDbType.NVarChar, 50),
new SqlParameter("@father", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.id;
parameters[1].Value = model.cityID;
parameters[2].Value = model.city;
parameters[3].Value = model.father;
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 System.Model.t_city2 GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id, cityID, city, father ");
strSql.Append(" from t_city2 ");
strSql.Append(" where id=@id ");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
System.Model.t_city2 model = new System.Model.t_city2();
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.cityID = ds.Tables[0].Rows[0]["cityID"].ToString();
model.city = ds.Tables[0].Rows[0]["city"].ToString();
model.father = ds.Tables[0].Rows[0]["father"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public void Add(System.Model.t_city2 model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into t_city2(");
strSql.Append("id,cityID,city,father");
strSql.Append(") values (");
strSql.Append("@id,@cityID,@city,@father");
strSql.Append(") ");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4),
new SqlParameter("@cityID", SqlDbType.NVarChar, 50),
new SqlParameter("@city", SqlDbType.NVarChar, 50),
new SqlParameter("@father", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.id;
parameters[1].Value = model.cityID;
parameters[2].Value = model.city;
parameters[3].Value = model.father;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(System.Model.t_city2 model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public void Add(System.Model.t_city2 model)
{
dal.Add(model);
}
