更改模态助推器中的文本

Question

我在asp.net网站中使用模式引导。由于我需要根据返回代码中的错误修改文本，所以在进行调用之前，我更改了控件的文本值，但它不起作用。消息不会更改。这是我的HTML:

<!-- /.modal error-->
<div id="ModalError" class="modal fade bs-example-modal-center" tabindex="-1" role="dialog" aria-labelledby="myCenterModalLabel" aria-hidden="true" style="display: none;">
<div class="modal-dialog modal-dialog-centered">
<div class="modal-content alert-primary">
<div class="modal-header">                    
<h4 class="modal-title text-danger" id="CenterModalLabel">Errore</h4>                                        
<i class="mdi mdi-alert-octagon-outline" style="font-size:30px"></i>
</div>
<div class="modal-body">
<asp:Label runat="server" ID="ltlErrormsg" Text="Errore"></asp:Label>
</div>
<div class="modal-footer">                     
<button type="button" class="btn btn-secondary btn-danger" data-dismiss="modal">Ok</button>        
</div>
</div><!-- /.modal-content -->
</div><!-- /.modal-dialog -->
</div><!-- /.modal -->

<script>
function openModal() {
$('#ModalInfo').modal('show');
}  
function openModalErr() {
$('#ModalError').modal('show');
}    

ValidatorUpdateIsValid = function () {
Page_IsValid = AllValidatorsValid(Page_Validators);
SetValidatorStyles();
}
SetValidatorStyles = function () {
var i;
// clear all
for (i = 0; i < Page_Validators.length; i++) {
var inputControl = document.getElementById(Page_Validators[i].controltovalidate);
if (null != inputControl) {
WebForm_RemoveClassName(inputControl, 'parsley-error');
}
}
// set invalid
for (i = 0; i < Page_Validators.length; i++) {
inputControl = document.getElementById(Page_Validators[i].controltovalidate);
if (null != inputControl && !Page_Validators[i].isvalid) {
WebForm_AppendToClassName(inputControl, 'parsley-error');
}
}
}
</script>

这是我的代码背后：

Private Sub cmdCambiaPwd_Click(sender As Object, e As EventArgs) Handles cmdCambiaPwd.Click
Dim strOldPassword As String
If txtPassword.Value = "" Then
ltlErrormsg.Text = "Compilare le password"
ScriptManager.RegisterStartupScript(Me, Me.GetType(), "Pop", "openModalErr();", True)
Exit Sub
End If

Answer 1

我发现了问题。模式窗口不在我页面的更新面板中。所以我把它们移到更新面板中并工作。