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  • Newtonsoft.Json.JsonConvert.DeserializeObject 失敗的情況
    test...more
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  • [ASP.NET] 利用 aspnet_regiis 加密 web.config
    ...more
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    ...more
  • [錯誤訊息] 請加入 ScriptResourceMapping 命名的 jquery (區分大小寫)
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    本人信箱被盜用以致資料外洩,是否可以請貴平台予以協助刪除該信箱之使用謝謝囉...more
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    aaaaa...more
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    太感謝你了~~~你救了我被windows 認證卡了好幾天QQ...more
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頁數 13 / 15 上一頁 下一頁
搜尋 if 結果:
IE Cookie 奇怪的問題
A Domain 底下有一個 B Domain 的 iFrame,B Domain 在client 有對自己的domain 設些cookie,
但 IE cookie 寫不進去,

原因如下面網址: http://www.cr173.com/html/16696_1.html
加入這行 IE 就好囉!   Response.AddHeader("P3P", "CP=CAO PSA OUR")
More...
瞇瞇, 2013/1/30 下午 07:58:45
查詢 Lock (Deadlock) 源頭用的 SQL
declare @spid int,@bl int
DECLARE s_cur CURSOR FOR
select 0 ,blocked
from (select * from sysprocesses where blocked>0 ) a
where not exists(select * from (select * from sysprocesses where blocked>0 ) b
where a.blocked=spid)
union select spid,blocked from sysprocesses where blocked>0
OPEN s_cur
FETCH NEXT FROM s_cur INTO @spid,@bl
WHILE @@FETCH_STATUS = 0
begin
if @spid =0
select N'引起數據庫死鎖的是:
'+ CAST(@bl AS VARCHAR(10)) + N'進程號,其執行的SQL語法如下'
else
select N'進程號SPID:'+ CAST(@spid AS VARCHAR(10))+ N'被進程號SPID:'+ CAST(@bl AS VARCHAR(10)) +N'阻塞,其當前進程執行的SQL語法如下'
DBCC INPUTBUFFER (@bl )
FETCH NEXT FROM s_cur INTO @spid,@bl
end
CLOSE s_cur
DEALLOCATE s_cur


刪除 procedure
Kill XXX
More...
Bike, 2012/12/26 下午 05:03:52
是否為 undefined 的比較 for Javascript
比對 a1 是不是 undefined 時,可以使用以下的程式碼:

if(typeof a1=='undefined'){
:
:
}
More...
Bike, 2012/11/25 下午 02:56:43
Prevent form submit when enter is pressed on text input with jquery
$('input[type="text"]').bind('keypress', function (e) {
    if (e.which == 13) return false;
});
More...
Bike, 2012/11/15 下午 04:40:23
使用 Drag Drop 將檔案放入網頁上傳檔案 (HTML5)
  • How to Use HTML5 File Drag & Drop
  • How to Open Dropped Files Using HTML5 and JavaScript
  • How to Asynchronously Upload Files Using HTML5 and Ajax
  • How to Create File Upload Progress Bars in HTML5 and JavaScript

這幾篇文章提到使用拖拉方式將檔案放到網頁裡面
然後在本地端預覽,然後ajax上傳,上傳時還有 progress bar
一整套運作模式說明,並附上sample code,挺棒的
附檔sample code

-------------------------------------------
測試後補充:
1. 範例中的 dragover event 要改成 dragenter 比較正確
然後 dragover 最好是做成 return false (ev.stopPropagation())
2. Server端不能用Requst.Files收檔案,要直接處理 Request.InputStream另存成檔案

 
More...
darren, 2012/10/7 上午 01:20:42
網頁端不同時區之時間顯示

由於網站的user來自全世界各地,而我們網站產生的時間卻是Server的時間
因此需要使用javascript來做一些轉換,讓user看到是他當地的時間

1. Server端產生具有時區的時間字串,用特定的span + class把它包起來, 時間格式 DateTime.ToUniversalTime().ToString("r")
     
<span class="timeString">Fri, 31 Aug 2012 10:57:04 GMT</span>

2. Client端利用jQuery於網頁load的時候將所有時間轉換成當地時間
    這個地方我用了  date.format.js 來轉換成當地時間 (參考  http://blog.stevenlevithan.com/archives/date-time-format  )
   

     $(".timeString").each(function () {
            var content = $(this).text();
            var d = new Date(content);
            if (!isNaN(d)) $(this).text(d.format("yyyy-mm-dd hh:MM tt"));
        }); 
   

這樣user看到的時間就不會錯了
More...
darren, 2012/6/19 下午 04:14:57
global.asax 的事件
從 http://blog.ie-soft.de/post/2007/12/globalasax-events.aspx  抄來的. 留作參考

HttpApplication Events:

Application_AcquireRequestState
Occurs when ASP.NET acquires the current state (for example, session state) that is associated with the current request. 

Application_AuthenticateRequest
Occurs when a security module has established the identity of the user. 

Application_AuthorizeRequest
Occurs when a security module has verified user authorization. 

Application_BeginRequest
Occurs as the first event in the HTTP pipeline chain of execution when ASP.NET responds to a request. 

Application_Disposed
Adds an event handler to listen to the Disposed event on the application. 

Application_EndRequest
Occurs as the last event in the HTTP pipeline chain of execution when ASP.NET responds to a request. 

Application_Error
Occurs when an unhandled exception is thrown. 

Application_PostAcquireRequestState
Occurs when the request state (for example, session state) that is associated with the current request has been obtained. 

Application_PostAuthenticateRequest
Occurs when a security module has established the identity of the user. 

Application_PostAuthorizeRequest
Occurs when the user for the current request has been authorized. 

Application_PostMapRequestHandler
Occurs when ASP.NET has mapped the current request to the appropriate event handler. 

Application_PostReleaseRequestState
Occurs when ASP.NET has completed executing all request event handlers and the request state data has been stored. 

Application_PostRequestHandlerExecute
Occurs when the ASP.NET event handler (for example, a page or an XML Web service) finishes execution. 

Application_PostResolveRequestCache
Occurs when ASP.NET bypasses execution of the current event handler and allows a caching module to serve a request from the cache. 

Application_PostUpdateRequestCache
Occurs when ASP.NET completes updating caching modules and storing responses that are used to serve subsequent requests from the cache. 

Application_PreRequestHandlerExecute
Occurs just before ASP.NET begins executing an event handler (for example, a page or an XML Web service). 

Application_PreSendRequestContent
Occurs just before ASP.NET sends content to the client. 

Application_PreSendRequestHeaders
Occurs just before ASP.NET sends HTTP headers to the client. 

Application_ReleaseRequestState
Occurs after ASP.NET finishes executing all request event handlers. This event causes state modules to save the current state data. 

Application_ResolveRequestCache
Occurs when ASP.NET completes an authorization event to let the caching modules serve requests from the cache, bypassing execution of the event handler (for example, a page or an XML Web service). 

Application_UpdateRequestCache
Occurs when ASP.NET finishes executing an event handler in order to let caching modules store responses that will be used to serve subsequent requests from the cache. 

Application_Init
This method occurs after _start and is used for initializing code. 

Application_Start
As with traditional ASP, used to set up an application environment and only called when the application first starts.

Application_End
Again, like classic ASP, used to clean up variables and memory when an application ends.

Session Events:

Session_Start
As with classic ASP, this event is triggered when any new user accesses the web site.

Session_End
As with classic ASP, this event is triggered when a user's session times out or ends. Note this can be 20 mins (the default session timeout value) after the user actually leaves the site.

Profile Events:

Profile_MigrateAnonymous
Occurs when the anonymous user for a profile logs in.

Passport Events:

PassportAuthentication_OnAuthenticate
Raised during authentication. This is a Global.asax event that must be named PassportAuthentication_OnAuthenticate.
 

Possibly more events defined in other HttpModules like:

System.Web.Caching.OutputCacheModule
System.Web.SessionState.SessionStateModule
System.Web.Security.WindowsAuthentication
System.Web.Security.FormsAuthenticationModule
System.Web.Security.PassportAuthenticationModule
System.Web.Security.UrlAuthorizationModule
System.Web.Security.FileAuthorizationModule
System.Web.Profile.ProfileModule

More...
Bike, 2012/6/9 上午 08:55:08
CKEditor 的 insertHTML 和 setData
在 CKEditor 中, 使用 insertHtml可以保留游標的位置, 所以在插入文字時, 大多使用 insertHtml, 但在CKEditor 的內容為空白時, insertHtml好像會失效. 這時就要用 setData 了.

if(CKEDITOR.instances['<% = me.txtContent.ClientId %>'].getData() == ''){
    CKEDITOR.instances['<% = me.txtContent.ClientId %>'].setData('<img src="' + oRes.msg + '" alt="" />');
}
else{
    CKEDITOR.instances['<% = me.txtContent.ClientId %>'].insertHtml('<img src="' + oRes.msg + '" alt="" />');
}
More...
Bike, 2012/6/4 下午 09:28:58
CKEditor 中貼上剪貼簿(clipboard) 中的圖片
在 Chrome 中, 可以直接把圖片用 ajax 傳到 Server 上. 請參考 在 Chrome 中, 直接把剪貼簿中的圖片用貼上的方式上傳到 Server 但若是要在 CKEditor 中貼上圖片, 會遇到一些問題, 主要的原因是 Past Event 綁定的方法不太一樣: 其中 ".<% = me.txtContent.ClientId %>"  要換成 textarea 的 id

$(document).ready(function () {
CKEDITOR.replace('<% = me.txtContent.ClientId %>', {
on: {
instanceReady: function (ev) {
this.dataProcessor.writer.setRules('p', {
indent: false, //縮排
breakBeforeOpen: true, // <P>之前是否換行
breakAfterOpen: true, // <P>之後是否換行
breakBeforeClose: false, // </P>之前是否換行
breakAfterClose: true // </P>之後是否換行
});
}
},
toolbar: 'basic'
});
});

$(document).ready(function () {
if (parseInt(window.navigator.appVersion.match(/Chrome\/(\d+)\./)[1]) >= 12) {
function bindPasteInCK() {
$("iframe").contents().find("body").bind('paste', imagePasteOnPaste);
}

CKEDITOR.instances.<% = me.txtContent.ClientId %>.on("instanceReady", bindPasteInCK);
}
});


參考資料: http://fogbugz.stackexchange.com/questions/8744/bugmonkey-paste-image-into-case-what-does-wiki-do-with-images
More...
Bike, 2012/6/4 下午 06:01:15
在 Chrome 中, 直接把剪貼簿(Clipboard)中的圖片用貼上的方式上傳到 Server
Client Side 的 HTML 如下: (若要在 CKEditor 中使用, 請參考: CKEditor 中貼上剪貼簿(clipboard) 中的圖片)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script type="text/javascript" src="/Scripts/jquery-1.7.1.min.js"></script>

<script type="text/javascript">
$(document).ready(function () {
$(window).bind("paste", function () {
if (event.clipboardData) {
var clipboardData, found;
found = false;
clipboardData = event.clipboardData;

Array.prototype.forEach.call(clipboardData.items, function (item, i) {
if (item.type.indexOf("image") !== -1) {
var blob = clipboardData.items[i].getAsFile();
var URL = window.URL || window.webkitURL;
var source = URL.createObjectURL(blob);

pastedImage = new Image();
pastedImage.src = source;
pastedImage.onload = function () {
var canvas = document.createElement("canvas");
var ctx = canvas.getContext("2d");

canvas.width = pastedImage.width;
canvas.height = pastedImage.height;
ctx.drawImage(pastedImage, 0, 0);

var base64 = canvas.toDataURL();
base64 = base64.substring(base64.indexOf("iVBOR"));

$.ajax({
url: "/API/AddTaskImages.aspx",
async: false,
type: "POST",
data: ({
Image: base64
}),
dataType: "html",
success: function (msg) {
var oRes;
try {
oRes = eval(msg);
}
catch (err) {
alert("無法解析傳回資料 !");
alert(msg);
alert(err);
}
if (oRes.success) {
alert("Upload Success..");
//alert(oRes.msg);
$("#MyImageDataLoadDemo").attr("src", oRes.msg);
} else {
alert(oRes.msg);
}
},
error: function (xhr, ajaxOptions, thrownError) {
alert(xhr.status);
alert(thrownError);
}
})
};

return false;
}
});
}
});
});
</script>
</head>
<body>



<div id="hold">
<div id="imgHold"><img src="" id="MyImageDataLoadDemo"></div>
<div>Click on the area above and ctrl+p an image to paste</div>
</div>
</body>
</html>



Server Side 的程式碼如下:

Partial Class API_AddTaskImages
Inherits System.Web.UI.Page

Protected Sub Page_Load(sender As Object, e As System.EventArgs) Handles Me.Load
'DB.sysconfig.Path.TaskAttachment

Dim Base64 As String = Me.Request("Image")
'UW.JSON.WriteErrorMessage(Base64)

'Return


Dim imageBytes As Byte() = Convert.FromBase64String(Me.Request("Image"))

Dim ms As System.IO.MemoryStream = New System.IO.MemoryStream(imageBytes, 0, imageBytes.Length)

ms.Write(imageBytes, 0, imageBytes.Length)
Dim image As System.Drawing.Image = System.Drawing.Image.FromStream(ms, True)

Dim map As Bitmap


Dim Filename As String = Now.ToString("yyyyMMddHHmmssfff") & ".png"

Try
System.IO.Directory.CreateDirectory(DB.sysconfig.Path.TaskAttachment & "UploadImages")
image.Save(DB.sysconfig.Path.TaskAttachment & "UploadImages\" & Filename, System.Drawing.Imaging.ImageFormat.Png)

UW.JSON.WriteSuccessMessage(DB.sysconfig.URL.TaskAttachment & "UploadImages/" & Filename)
Catch ex As Exception
UW.JSON.WriteErrorMessage(ex.ToString)
End Try

End Sub
End Class
More...
Bike, 2012/6/3 上午 02:33:36
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