Access入门教程11.11如何在窗体中添加和删除控件[2]-Mysql Tutorial-php.cn

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Access入门教程11.11如何在窗体中添加和删除控件[2]

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Jun 07, 2016 pm 04:02 PM

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控件来源在一个独立的控件中控件来源属性告诉系统如何检索或保存在窗体中要显示的数据如果一个控件是要更新数据则可以将该属性设置为字段名计算如果该属性含有一个计算表达式那么这个控件会显示计算的结果在控件来源属性中含有一个计算表达式的控件

控件来源在一个独立的控件中控件来源属性告诉系统如何检索或保存在窗体中要显示的数据如果一个控件是要更新数据则可以将该属性设置为字段名

计算如果该属性含有一个计算表达式那么这个控件会显示计算的结果在控件来源属性中含有一个计算表达式的控件又称为计算控件在一个计算控件中显示的值不能被直接改变

是否锁定这个属性决定一个控件中的数据是否能够被改变如果设置为是则该控件中的数据被锁定且不能被改变如果一个控件处于锁定状态则在窗体中呈灰色显示

如何修改控件的特殊效果

很多控件都有一定的特殊效果比如平面凸起凹陷蚀刻等要改变一个控件的特殊效果需要首先选中这个控件然后单击工具栏中特殊效果按钮右面的标有向下箭头的按钮在随后弹出的对话框中选择所需的效果样式如下图所示

Access入门教程11.11如何在窗体中添加和删除控件[2]

在这里有六种样式平面凸起凹陷蚀刻阴影和凿痕六种特殊效果单击相应的特殊效果图标就可以将被选控件的效果改成相应的效果

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