textbox

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed last year . I am creating a C# window application,in which i have taken 10 textboxes.I want to validate each text box means none of the text box should be blank.I have used the errorprovider control for validation on the clicking of submit button. The code is properly working but i want to remove the error

问题 I'm still new here so please consider. My question is that I have two forms, (form1 and form2). In form1 there's a listbox with customers names on it. Now what i want is when the user clicks a name on the listbox, a new form (form2) pops up and displays the rest of the information of the customer (age,address,phone number) on the textboxes. When I click a name on the listbox it displays the rest of the info but only on that form, I can't get it to display on another form. I'm coding it using

问题 I'm still new here so please consider. My question is that I have two forms, (form1 and form2). In form1 there's a listbox with customers names on it. Now what i want is when the user clicks a name on the listbox, a new form (form2) pops up and displays the rest of the information of the customer (age,address,phone number) on the textboxes. When I click a name on the listbox it displays the rest of the info but only on that form, I can't get it to display on another form. I'm coding it using

问题 I am subclassing TextBox: class Editor : TextBox I have overridden OnKeyDown, because I want tabs to be replaced by four spaces: protected override void OnKeyDown(KeyEventArgs e) { if (e.KeyCode == Keys.Tab) { SelectedText = " "; e.SuppressKeyPress = true; } } This works, but unfortunately it also clears the undo buffer. The end result is that when the user presses tab, Ctrl+Z doesn't work and 'Undo' on the right-click menu becomes disabled. The problem appears to be the "e.SuppressKeyPress =

问题 I am subclassing TextBox: class Editor : TextBox I have overridden OnKeyDown, because I want tabs to be replaced by four spaces: protected override void OnKeyDown(KeyEventArgs e) { if (e.KeyCode == Keys.Tab) { SelectedText = " "; e.SuppressKeyPress = true; } } This works, but unfortunately it also clears the undo buffer. The end result is that when the user presses tab, Ctrl+Z doesn't work and 'Undo' on the right-click menu becomes disabled. The problem appears to be the "e.SuppressKeyPress =

问题 i am getting city state by entering zipcode using google map api my code is below, google map api link, <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=true"></script> Script for getting city state via zip code, <script type="text/javascript"> var zip =document.getElementById("txtZip").value; var lat; var lng; var geocoder = new google.maps.Geocoder(); geocoder.geocode({ 'address': zip }, function (results, status) { if (status == google.maps.GeocoderStatus.OK) {

问题 I have a problem with this code. Every time I type a text in the TextBox this happen. there's an added column and its empty(I want to remove this) public void searchData() { string sql = "Select * from Inventory"; cmd = new OleDbCommand(sql, con); try { con.Open(); cmd.Connection.CreateCommand(); string value = cboFields.Text; switch (value) { case "ID": cmd.CommandText = "Select * from Inventory where ID LIKE @searchKey"; break; case "Quantity": cmd.CommandText = "Select * from Inventory

问题 I have a problem with this code. Every time I type a text in the TextBox this happen. there's an added column and its empty(I want to remove this) public void searchData() { string sql = "Select * from Inventory"; cmd = new OleDbCommand(sql, con); try { con.Open(); cmd.Connection.CreateCommand(); string value = cboFields.Text; switch (value) { case "ID": cmd.CommandText = "Select * from Inventory where ID LIKE @searchKey"; break; case "Quantity": cmd.CommandText = "Select * from Inventory

问题 I tried to display some text in Textbox(multiple lines) using ASP.NET. But I found that multi-line Textbox (textarea) is HTML encoded, meaning that when I want to display: a >= b; & c It will be automatically converted to: a & gt;= b; & amp; c which is NOT natural for people to read. So is there any way that I can disable this auto-HTML encoding behavior and just display it naturally in the Textbox? 回答1: If you are setting the text in the markup (.aspx), then what platon said is correct:

问题 I have a textbox to which I have applied style direction:rtl; since I want to type numbers in it. But when I add a minus sign - in it, it comes ahead of the numbers I want it to be like the way we see normally Any help would be appreciated 回答1: Please add style="text-align:right;" remove direction:rtl; from style 回答2: the rtl direction property means "right to left", that's why is behaves like that. 来源： https://stackoverflow.com/questions/24507771/textbox-input-right-to-left-with-minus-sign