/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(AOC.Perf.Model.CITY model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update CITY set ");
strSql.Append("NAME=@NAME,");
strSql.Append("STATECODE=@STATECODE");
strSql.Append(" where CITYCODE=@CITYCODE");
OleDbParameter[] parameters =
{
new OleDbParameter("@NAME", OleDbType.VarChar, 20),
new OleDbParameter("@STATECODE", OleDbType.Integer, 4),
new OleDbParameter("@CITYCODE", OleDbType.Integer, 4)
};
parameters[0].Value = model.NAME;
parameters[1].Value = model.STATECODE;
parameters[2].Value = model.CITYCODE;
int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(AOC.Perf.Model.CITY model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into CITY(");
strSql.Append("NAME,STATECODE)");
strSql.Append(" values (");
strSql.Append("@NAME,@STATECODE)");
OleDbParameter[] parameters =
{
new OleDbParameter("@NAME", OleDbType.VarChar, 20),
new OleDbParameter("@STATECODE", OleDbType.Integer, 4)
};
parameters[0].Value = model.NAME;
parameters[1].Value = model.STATECODE;
int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public AOC.Perf.Model.CITY DataRowToModel(DataRow row)
{
AOC.Perf.Model.CITY model = new AOC.Perf.Model.CITY();
if (row != null)
{
if (row["CITYCODE"] != null && row["CITYCODE"].ToString() != "")
{
model.CITYCODE = int.Parse(row["CITYCODE"].ToString());
}
if (row["NAME"] != null)
{
model.NAME = row["NAME"].ToString();
}
if (row["STATECODE"] != null && row["STATECODE"].ToString() != "")
{
model.STATECODE = int.Parse(row["STATECODE"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public AOC.Perf.Model.CITY GetModel(int CITYCODE)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select CITYCODE,NAME,STATECODE from CITY ");
strSql.Append(" where CITYCODE=@CITYCODE");
OleDbParameter[] parameters =
{
new OleDbParameter("@CITYCODE", OleDbType.Integer, 4)
};
parameters[0].Value = CITYCODE;
AOC.Perf.Model.CITY model = new AOC.Perf.Model.CITY();
DataSet ds = DbHelperOleDb.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}