我有大量的文本框用于批量插入页面textbox1,文本框等。如何通过它们循环,以便在提交buttom时不允许空值?
答案 0 :(得分:0)
您可以尝试这样的事情
foreach (Control ctrl in Page.Controls)
{
if (c is TextBox || c is RichTextBox)
{
///DO SOMETHING TO AVOID IT
}
}
答案 1 :(得分:0)
var controls = RecursiveFunctionThatRetrievesAllAppropriateControls(Page);
foreach(WebControl control in controls){
if(control is TextBox && String.IsNullOrEmpty(((TextBox)control).Text))
/* ... do something ... */
...
}