/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(M_city model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update city set ");
strSql.Append("cityID=@cityID,");
strSql.Append("city=@city,");
strSql.Append("fatherID=@fatherID");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@cityID", SqlDbType.Int, 4),
new SqlParameter("@city", SqlDbType.VarChar, 200),
new SqlParameter("@fatherID", SqlDbType.Int, 4),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.cityID;
parameters[1].Value = model.city;
parameters[2].Value = model.fatherID;
parameters[3].Value = model.id;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(M_city model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into city(");
strSql.Append("cityID,city,fatherID)");
strSql.Append(" values (");
strSql.Append("@cityID,@city,@fatherID)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@cityID", SqlDbType.Int, 4),
new SqlParameter("@city", SqlDbType.VarChar, 200),
new SqlParameter("@fatherID", SqlDbType.Int, 4)
};
parameters[0].Value = model.cityID;
parameters[1].Value = model.city;
parameters[2].Value = model.fatherID;
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 M_city DataRowToModel(DataRow row)
{
M_city model = new M_city();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["cityID"] != null && row["cityID"].ToString() != "")
{
model.cityID = int.Parse(row["cityID"].ToString());
}
if (row["city"] != null)
{
model.city = row["city"].ToString();
}
if (row["fatherID"] != null && row["fatherID"].ToString() != "")
{
model.fatherID = int.Parse(row["fatherID"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public M_city GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,cityID,city,fatherID from city ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
M_city model = new M_city();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(M_city model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(M_city model)
{
return(dal.Add(model));
}