visual studio 2010使用c# [英] visual studio 2010 using c#
问题描述
我使用c#在vs 2010中有一个Windows应用程序表单,在这里我有34个文本框和一个保存按钮。我正在使用Ms Accesd数据库在数据库中插入这些值。
这些值在我点击提交按钮时成功存储。
到此为止,它运行正常。现在我的要求是:
如果我点击保存按钮,如果文本框是空的,它必须显示一条消息请输入所需的字段。
如果文本框中填充了数据,那么当我点击提交按钮时,应显示:您确定要吗?保存这些数据?
如果成功存储在数据库中,显示消息...... 成功提交
。
I have a windows application form in vs 2010 using c#, In this I have 34 textboxes and a save button. I am using Ms Accesd database for inserting these values in database.
These values are storing Successfully when i click on Submit button.
Till here, it is working fine. now my requirement is:
If i click on save button and if the textboxes are empty, it must display a message "please enter the required fields.
"
if the textboxes are filled with data then, when i click the submit button this should be displayed: "Are you sure you want to Save this data ?
"
if Successfully stored in DB, Display a message... Successfully Submitted
.
推荐答案
如果你想检查它们,那很简单:
If you want to check them all it's pretty simple:
bool ok = true;
foreach (Control c in Controls)
{
TextBox tb = c as TextBox;
if (tb != null && string.IsNullOrWhitespace(tb.Text))
{
ok = false;
break;
}
}
if (!ok)
{
// Report the problem
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