/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Student.Model.MAJOR_INFO model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update MAJOR_INFO set ");
strSql.Append("DEPARTMENTNO=@DEPARTMENTNO,");
strSql.Append("MAJORNAME=@MAJORNAME");
strSql.Append(" where MAJORNO=@MAJORNO ");
SqlParameter[] parameters =
{
new SqlParameter("@DEPARTMENTNO", SqlDbType.Int, 4),
new SqlParameter("@MAJORNAME", SqlDbType.VarChar, 30),
new SqlParameter("@MAJORNO", SqlDbType.Int, 4)
};
parameters[0].Value = model.DEPARTMENTNO;
parameters[1].Value = model.MAJORNAME;
parameters[2].Value = model.MAJORNO;
int rows = SqlHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Student.Model.MAJOR_INFO model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into MAJOR_INFO(");
strSql.Append("DEPARTMENTNO,MAJORNAME)");
strSql.Append(" values (");
strSql.Append("@DEPARTMENTNO,@MAJORNAME)");
SqlParameter[] parameters =
{
new SqlParameter("@DEPARTMENTNO", SqlDbType.Int, 4),
new SqlParameter("@MAJORNAME", SqlDbType.VarChar, 30)
};
parameters[0].Value = model.DEPARTMENTNO;
parameters[1].Value = model.MAJORNAME;
int rows = SqlHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Student.Model.MAJOR_INFO DataRowToModel(DataRow row)
{
Student.Model.MAJOR_INFO model = new Student.Model.MAJOR_INFO();
if (row != null)
{
if (row["MAJORNO"] != null && row["MAJORNO"].ToString() != "")
{
model.MAJORNO = int.Parse(row["MAJORNO"].ToString());
}
if (row["DEPARTMENTNO"] != null && row["DEPARTMENTNO"].ToString() != "")
{
model.DEPARTMENTNO = int.Parse(row["DEPARTMENTNO"].ToString());
}
if (row["MAJORNAME"] != null)
{
model.MAJORNAME = row["MAJORNAME"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Student.Model.MAJOR_INFO GetModel(string MAJORNAME)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 MAJORNO,DEPARTMENTNO,MAJORNAME from MAJOR_INFO ");
strSql.Append(" where MAJORNAME=@MAJORNAME ");
SqlParameter[] parameters =
{
new SqlParameter("@MAJORNAME", SqlDbType.VarChar, 30)
};
parameters[0].Value = MAJORNAME;
Student.Model.MAJOR_INFO model = new Student.Model.MAJOR_INFO();
DataSet ds = SqlHelper.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
