protected internal override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
if (this.Enabled)
{
Page page = this.Page;
if ((page != null) && (page.RequestInternal != null))
{
this.renderUplevel = (this.EnableClientScript && (page.Request.Browser.W3CDomVersion.Major >= 1)) && (page.Request.Browser.EcmaScriptVersion.CompareTo(new Version(1, 2)) >= 0);
}
if (this.renderUplevel)
{
string arrayValue = "document.getElementById(\"" + this.ClientID + "\")";
if (!this.Page.IsPartialRenderingSupported)
{
this.Page.ClientScript.RegisterArrayDeclaration("Page_ValidationSummaries", arrayValue);
}
else
{
ValidatorCompatibilityHelper.RegisterArrayDeclaration(this, "Page_ValidationSummaries", arrayValue);
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(ValidationSummary), this.ClientID + "_DisposeScript", string.Format(CultureInfo.InvariantCulture, "\r\ndocument.getElementById('{0}').dispose = function() {{\r\n Array.remove({1}, document.getElementById('{0}'));\r\n}}\r\n", new object[] { this.ClientID, "Page_ValidationSummaries" }), true);
}
}
}
}
/// <devdoc>
/// <para>Registers array declarations using the default array, <see langword='Page_Validators'/> .</para>
/// </devdoc>
protected virtual void RegisterValidatorDeclaration()
{
const string arrayName = "Page_Validators";
string element = "document.getElementById(\"" + ClientID + "\")";
// Cannot use the overloads of Register* that take a Control, since these methods only work with AJAX 3.5,
// and we need to support Validators in AJAX 1.0 (Windows OS Bugs 2015831).
if (!Page.IsPartialRenderingSupported)
{
Page.ClientScript.RegisterArrayDeclaration(arrayName, element);
}
else
{
ValidatorCompatibilityHelper.RegisterArrayDeclaration(this, arrayName, element);
// Register a dispose script to make sure we clean up the page if we get destroyed
// during an async postback.
// We should technically use the ScriptManager.RegisterDispose() method here, but the original implementation
// of Validators in AJAX 1.0 manually attached a dispose expando. We added this code back in the product
// late in the Orcas cycle, and we didn't want to take the risk of using RegisterDispose() instead.
// (Windows OS Bugs 2015831)
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(BaseValidator), ClientID + "_DisposeScript",
String.Format(
CultureInfo.InvariantCulture,
@"
document.getElementById('{0}').dispose = function() {{
Array.remove({1}, document.getElementById('{0}'));
}}
",
ClientID, arrayName), true);
}
}
/// <internalonly/>
/// <devdoc>
/// PreRender method.
/// </devdoc>
protected internal override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
// Act like invisible if disabled
if (!Enabled)
{
return;
}
// work out uplevelness now
Page page = Page;
if (page != null && page.RequestInternal != null)
{
renderUplevel = (EnableClientScript && ShowValidationErrors &&
page.Request.Browser.W3CDomVersion.Major >= 1 &&
page.Request.Browser.EcmaScriptVersion.CompareTo(new Version(1, 2)) >= 0);
}
if (renderUplevel && !IsUnobtrusive)
{
const string arrayName = "Page_ValidationSummaries";
string element = "document.getElementById(\"" + ClientID + "\")";
// Cannot use the overloads of Register* that take a Control, since these methods only work with AJAX 3.5,
// and we need to support Validators in AJAX 1.0 (Windows OS Bugs 2015831).
if (!Page.IsPartialRenderingSupported)
{
Page.ClientScript.RegisterArrayDeclaration(arrayName, element);
}
else
{
ValidatorCompatibilityHelper.RegisterArrayDeclaration(this, arrayName, element);
// Register a dispose script to make sure we clean up the page if we get destroyed
// during an async postback.
// We should technically use the ScriptManager.RegisterDispose() method here, but the original implementation
// of Validators in AJAX 1.0 manually attached a dispose expando. We added this code back in the product
// late in the Orcas cycle, and we didn't want to take the risk of using RegisterDispose() instead.
// (Windows OS Bugs 2015831)
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(ValidationSummary), ClientID + "_DisposeScript",
String.Format(
CultureInfo.InvariantCulture,
@"
(function(id) {{
var e = document.getElementById(id);
if (e) {{
e.dispose = function() {{
Array.remove({1}, document.getElementById(id));
}}
e = null;
}}
}})('{0}');
",
ClientID, arrayName), true);
}
}
}
protected virtual void RegisterValidatorDeclaration()
{
string arrayValue = "document.getElementById(\"" + this.ClientID + "\")";
if (!this.Page.IsPartialRenderingSupported)
{
this.Page.ClientScript.RegisterArrayDeclaration("Page_Validators", arrayValue);
}
else
{
ValidatorCompatibilityHelper.RegisterArrayDeclaration(this, "Page_Validators", arrayValue);
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(BaseValidator), this.ClientID + "_DisposeScript", string.Format(CultureInfo.InvariantCulture, "\r\ndocument.getElementById('{0}').dispose = function() {{\r\n Array.remove({1}, document.getElementById('{0}'));\r\n}}\r\n", new object[] { this.ClientID, "Page_Validators" }), true);
}
}
