void chuku::Onluru()
{
// TODO: Add your control notification handler code here
UpdateData();
CDatabase m_db; //定义一个数据库类的对象
CString strConnect;
CString m_bDSN="yiyao";
strConnect.Format("DSN=%s",m_bDSN);
m_db.OpenEx(strConnect,CDatabase::noOdbcDialog);
CString sql;
sql.Format("insert into 药品出库表 (id,name,shuliang,riqi) VALUES('%s','%s','%s','%s')",m_id,m_yaoname,m_shuliang,m_riqi);
m_db.ExecuteSQL(sql);
}
加上UpdateData();运行就出错,Debug Assertion Failed!
{
// TODO: Add your control notification handler code here
UpdateData();
CDatabase m_db; //定义一个数据库类的对象
CString strConnect;
CString m_bDSN="yiyao";
strConnect.Format("DSN=%s",m_bDSN);
m_db.OpenEx(strConnect,CDatabase::noOdbcDialog);
CString sql;
sql.Format("insert into 药品出库表 (id,name,shuliang,riqi) VALUES('%s','%s','%s','%s')",m_id,m_yaoname,m_shuliang,m_riqi);
m_db.ExecuteSQL(sql);
}
加上UpdateData();运行就出错,Debug Assertion Failed!
Call this member function to initialize data in a dialog box, or to retrieve and validate dialog data.
BOOL UpdateData(
BOOL bSaveAndValidate = TRUE
);ParametersbSaveAndValidate Flag that indicates whether dialog box is being initialized (FALSE)or data is being retrieved (TRUE).
翻译一下:UpdateData,顾名思义,是用来刷新数据的。
UpdateData(TRUE) -- 刷新控件的值到对应的变量
UpdateData(FALSE) -- 拷贝变量值到控件显示例如,窗口中用 DDX_Text(pDX, IDC_EDIT1, m_usercode); 将IDC_EDIT1编辑框控件与m_usercode变量做了关联,如果修改m_usercode之后要想对应控件显示更改,则需要调用UpdateData(FALSE);反之在IDC_EDIT1的oneditchanged()中需要加入UpdateData(TRUE);
简单的说,如果Updatedata(TRUE) == 将控件的值赋值给成员变量;
Updatedata(FALSE) == 将成员变量的值赋值给控件;肯定值有问题呀
VALUES(\'%s\',\'%s\',\'%s\',\'%s\')",m_id,m_yaoname,m_shuliang,m_riqi); 这样看可以吧试一下啊