/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(lgk.Model.tb_city model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update tb_city set ");
strSql.Append("id=@id,");
strSql.Append("cityID=@cityID,");
strSql.Append("city=@city,");
strSql.Append("father=@father");
strSql.Append(" where ");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4),
new SqlParameter("@cityID", SqlDbType.NVarChar, 6),
new SqlParameter("@city", SqlDbType.NVarChar, 50),
new SqlParameter("@father", SqlDbType.NVarChar, 6)
};
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>
/// 增加一条数据
/// </summary>
public void Add(lgk.Model.tb_city model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tb_city(");
strSql.Append("id,cityID,city,father)");
strSql.Append(" values (");
strSql.Append("@id,@cityID,@city,@father)");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4),
new SqlParameter("@cityID", SqlDbType.NVarChar, 6),
new SqlParameter("@city", SqlDbType.NVarChar, 50),
new SqlParameter("@father", SqlDbType.NVarChar, 6)
};
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>
/// 得到一个对象实体
/// </summary>
public lgk.Model.tb_city GetModel(string strWhere)
{
//该表无主键信息，请自定义主键/条件字段
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,cityID,city,father from tb_city ");
if (strWhere.Trim() != "")
{
strSql.Append(" where " + strWhere);
}
lgk.Model.tb_city model = new lgk.Model.tb_city();
DataSet ds = DbHelperSQL.Query(strSql.ToString());
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["id"] != null && ds.Tables[0].Rows[0]["id"].ToString() != "")
{
model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
if (ds.Tables[0].Rows[0]["cityID"] != null && ds.Tables[0].Rows[0]["cityID"].ToString() != "")
{
model.cityID = ds.Tables[0].Rows[0]["cityID"].ToString();
}
if (ds.Tables[0].Rows[0]["city"] != null && ds.Tables[0].Rows[0]["city"].ToString() != "")
{
model.city = ds.Tables[0].Rows[0]["city"].ToString();
}
if (ds.Tables[0].Rows[0]["father"] != null && ds.Tables[0].Rows[0]["father"].ToString() != "")
{
model.father = ds.Tables[0].Rows[0]["father"].ToString();
}
return(model);
}
else
{
return(null);
}
}