A good collection of technical materials...

Http://blog.csdn.net/rickjelly2004
The two of them have comprehensive information. Let's take a look!
Http://blog.csdn.net/lihonggen0
Http://blog.csdn.net/net_lover
Http://community.csdn.net/Expert/FAQ/List_Room_FAQ_Index.asp? Bigclassid = 52
Http://xml.sz.luohuedu.net/xml/Content.asp
Http://www.developerfusion.com/utilities/convertvbtocsharp.aspx (better C # to VB conversion)
Http://www.webasp.net/

Can the DataGrid modify multiple rows at a time? If not, is there any other method to implement it?
Http://community.csdn.net/Expert/topic/3110/3110415.xml? Temp =. 4844477.

Dropdownlist
Http://community.csdn.net/Expert/topic/3093/3093649.xml? Temp =. 3064234.

It is difficult to display the binary image in the database in the DataGrid!
Http://community.csdn.net/Expert/topic/3112/3112270.xml? Temp =. 6695215.

Timer does not act?
Http://community.csdn.net/Expert/topic/3114/3114792.xml? Temp =. 8809473.

Asp.net printing scheme (preferably Excel!
Http://community.csdn.net/Expert/topic/3114/3114640.xml? Temp =. 9786646.

On ASP.net, how does one pop up the Save dialog box?
Http://community.csdn.net/Expert/topic/2889/2889825.xml? Temp =. 1032984.

How can I encrypt a password?
Http://community.csdn.net/Expert/topic/3128/3128859.xml? Temp =. 1032984.

About regularly refreshing the client
Http://community.csdn.net/Expert/topic/3128/3128881.xml? Temp =. 1032984.

How to enable the "Previous Page" button of the DataGrid to use images
Http://community.csdn.net/Expert/topic/3156/3156678.xml? Temp =. 5541651.

How can I obtain the current domain name information !?
Http://community.csdn.net/Expert/topic/3165/3165536.xml? Temp =. 705166.

How can I access the Chinese and English pages based on the customer's Chinese and English systems?
Http://community.csdn.net/Expert/topic/3169/3169965.xml? Temp =. 3843653.

How do I block non-numeric characters in the text box?
Http://community.csdn.net/Expert/topic/3196/3196298.xml? Temp =. 6959497.

Textbox problems!
Http://community.csdn.net/Expert/topic/3209/3209270.xml? Temp =. 7582666.

String processing problems!
Http://community.csdn.net/Expert/topic/3208/3208879.xml? Temp =. 9452173.

If the Scheduled activation event
Http://community.csdn.net/Expert/topic/3205/3205773.xml? Temp =. 9452173.

How do I limit the input length of textbox with multiple rows ??
Http://community.csdn.net/Expert/topic/2807/2807286.xml? Temp =. 8840143.

Is there any good way to add a NO in ascending order in the DataGrid?
Http://community.csdn.net/Expert/topic/3207/3207909.xml? Temp =. 5894586.

How to shield the browser closing button and ALT + F4 shortcut keys
Http://community.csdn.net/Expert/topic/3209/3209562.xml? Temp =. 1971857.

Insert data into dataset and update them together
Http://community.csdn.net/Expert/topic/3213/3213143.xml? Temp =. 3740045.

How can I convert a file into a stream and store it in the database?
Http://community.csdn.net/Expert/topic/3212/3212280.xml? Temp =. 4363214.

On the same machine, how does page a determine whether page B is enabled?
Http://community.csdn.net/Expert/topic/3216/3216411.xml? Temp =. 2874567.

How can I prevent hyperlink text from being underlined? How is the color changing, flashing, and offset effect when the mouse moves above?
Http://community.csdn.net/Expert/topic/3215/3215382.xml? Temp =. 3212702.

What is the Data Length problem? /
Http://community.csdn.net/Expert/topic/3225/3225063.xml? Temp =. 3124811.

Click the JS drop-down menu!
Http://community.csdn.net/Expert/topic/3224/3224921.xml? Temp =. 3124811.

The template column in The DataGrid has a dropdownlist, but the dropdownlist does not have the commandname attribute. How can I implement the dropdownlist option to trigger the itemcommand event of the DataGrid?
Http://community.csdn.net/Expert/topic/3225/3225008.xml? Temp =. 5111505.

Why is there a number in this month?
Http://community.csdn.net/Expert/topic/3226/3226622.xml? Temp =. 550152.

How to calculate the time?
Http://community.csdn.net/Expert/topic/3226/3226715.xml? Temp =. 2172663.

Why is there no Treeview control in web form?
Http://community.csdn.net/Expert/topic/3221/3221150.xml? Temp =. 4811823.

A question about how to read the year, month, and day of the time (C #)
Http://community.csdn.net/Expert/topic/3232/3232623.xml? Temp =. 3999445.

When you click "back", the system prompts: warning: the webpage has expired ......
Http://community.csdn.net/Expert/topic/3232/3232996.xml? Temp =. 7035334.

What should I do if I want to create an "auto-incrementing" Id field like the database in XML?
Http://community.csdn.net/Expert/topic/3216/3216145.xml? Temp =. 241955.

JS for sorting the DataGridCode(Do not refresh the page)
Http://community.csdn.net/Expert/topic/3240/3240019.xml? Temp =. 8856317.

Six minor issues
Http://community.csdn.net/Expert/topic/3244/3244153.xml? Temp =. 6121332.

How can I use Asp.net to obtain the hardware address of the Nic?
Http://community.csdn.net/Expert/topic/3245/3245524.xml? Temp =. 8336908.
Evaluate the regular expression of a date, such as yyyy/mm/dd
Http://community.csdn.net/Expert/topic/3245/3245783.xml? Temp =. 6137201.

How can I avoid sending back events during page refreshing ??
Http://community.csdn.net/Expert/topic/3235/3235852.xml? Temp =. 2632563.

How can I Invalidate the "close" button in the upper-right corner of ie6.0?
Http://community.csdn.net/Expert/topic/3246/3246351.xml? Temp =. 9026605.

Is a regular expression used to delete spaces on both sides of a string?
Http://community.csdn.net/Expert/topic/3264/3264840.xml? Temp =. 6270258.

How can I add the border line effect while changing the row color of the DataGrid?
Http://community.csdn.net/Expert/topic/2760/2760907.xml? Temp =. 7303583.

Can two or more forms authentication be enabled?
Http://community.csdn.net/Expert/topic/3267/3267206.xml? Temp =. 5668451.

Does anyone know how to obtain an IP address in VB?
Http://community.csdn.net/Expert/topic/3278/3278237.xml? Temp =. 4232904.

How can I determine the keyboard case and numeric keypad status?
Http://community.csdn.net/Expert/topic/3275/3275147.xml? Temp =. 3133051.

How can I change an image to a hand image?
Http://community.csdn.net/Expert/topic/3278/3278646.xml? Temp =. 2121088.

Now get the current path like: http://community.csdn.net/Expert/PostNew.asp? Room = 5202
How can I get the value postnew. asp in the background using C ??
Http://community.csdn.net/Expert/topic/3278/3278849.xml? Temp =. 4395258.

Daxia, help: Asp.net emails
Http://community.csdn.net/Expert/topic/3268/3268007.xml? Temp =. 7686884.

How can I solve the problem that the URL contains Chinese characters, so that the image cannot be displayed normally ??? Online, etc!
Http://community.csdn.net/Expert/topic/3285/3285910.xml? Temp =. 6879999.
How can we completely solve the problem of illegal string input?
Http://community.csdn.net/Expert/topic/3302/3302116.xml? Temp =. 1588251.

Multifile uploadSource code
Http://community.csdn.net/Expert/topic/3303/3303178.xml? Temp =. 3156855.

192.168.0.2/BB/logout. aspx cannot cancel cookies under 192.168.0.1/AA
Http://community.csdn.net/Expert/topic/3215/3215703.xml? Temp =. 9740106.

In Asp.net, how does one enable prompt sound for input errors ???? (Urgent)
Http://community.csdn.net/Expert/topic/2660/2660081.xml? Temp =. 0885126.

Can you help me solve this problem if you are the first visitor of this website?
Http://community.csdn.net/Expert/topic/3321/3321164.xml? Temp =. 8671533.

Regular: the password contains letters, numbers, underscores, and yes, but contains * how to verify the password ??
Http://community.csdn.net/Expert/topic/3213/3213002.xml? Temp =. 5960352.

Please have a good book on ASP.net !!!
Http://community.csdn.net/Expert/topic/3321/3321571.xml? Temp =. 545437.

How to pop up the file storage dialog box in VBScript ~~~~~
Http://community.csdn.net/Expert/topic/3322/3322899.xml? Temp =. 8863184.

Net experts. How can I set IE browser window maximization ???
Http://community.csdn.net/Expert/topic/3328/3328282.xml? Temp =. 9729883.

How can I directly display a download and save prompt box without opening a file?
Http://community.csdn.net/Expert/topic/3332/3332144.xml? Temp =. 9399683.
How to format the string "99999999.9" to #99,999,999.9 ??
Http://community.csdn.net/Expert/topic/3330/3330512.xml? Temp =. 3490259.

How can I convert my string to a hexadecimal value?
Http://community.csdn.net/Expert/topic/3321/3321685.xml? Temp =. 1767237.

Escape characters in strings
Http://community.csdn.net/Expert/topic/3336/3336185.xml? Temp =. 3242456.
A simple question about getting a path !!
Http://community.csdn.net/Expert/topic/3332/3332981.xml? Temp =. 6509668.
Http://community.csdn.net/expert/FAQ/List_FAQ_index.asp
Comprehensive HTML appending skills:
Http://community.csdn.net/Expert/topic/3343/3343138.xml? Temp =. 4223749.
Some columns, detailed introduction to the DataGrid.
Http://www.chinabs.net/aspnet/default.asp
Conversion of string (containing Chinese characters) to ascii16 hexadecimal
Http://community.csdn.net/Expert/topic/3342/3342635.xml? Temp =. 6246912.

How to access the control in the footer template of the DataGrid?
Http://community.csdn.net/Expert/topic/3347/3347037.xml? Temp =. 8925287.

Click a row in the DataGrid. How do I retrieve the content of a column in the row and display it in textbox ??
Http://community.csdn.net/Expert/topic/3347/3347089.xml? Temp =. 7292597.

Row selection of the DataGrid (using checkbox, radiobutton ?)
Http://community.csdn.net/Expert/topic/3347/3347014.xml? Temp = 2.911013e-02

How to add a blank row to the DataGrid ??
Http://community.csdn.net/Expert/topic/3343/3343562.xml? Temp =. 0637781.
Implementation of Online website User Detection
Http://community.csdn.net/Expert/topic/3346/3346866.xml? Temp =. 1771509.

Provide something useful! [Online help documentation and Outlook development technology]
Http://community.csdn.net/Expert/topic/3340/3340561.xml? Temp =. 2760279.

About the cache problem of the pop-up mode too window!
Http://community.csdn.net/Expert/topic/3328/3328627.xml? Temp =. 7910425.
Session sharing!
Http://community.csdn.net/Expert/topic/3359/3359224.xml? Temp =. 2388269.
Additional code ProductionProgram
Http://community.csdn.net/Expert/topic/3364/3364665.xml? Temp =. 5620539.
Is there a detailed introduction to the problem of string formatting?
Http://community.csdn.net/Expert/topicview.asp? Id = 3347649

How can I Format 0.2 to 20% when data is set?
Http://community.csdn.net/Expert/topicview.asp? Id = 3359083

How can I refresh the tab on time for the first time? I won't press the tab later. Why ???
Http://community.csdn.net/Expert/topicview.asp? Id = 3365632

Refresh the page and scroll to the top of the page.
Http://community.csdn.net/Expert/topic/3366/3366852.xml? Temp =. 9356501.

Two good Asp.net books are recommended !!
Http://community.csdn.net/Expert/topic/3366/3366833.xml? Temp =. 8746302.
Read-only part of Web Page Content
Http://community.csdn.net/Expert/topic/3333/3333942.xml? Temp = 2.880496e-02

Implement the confirm function of Javascript in. net
Http://community.csdn.net/Expert/topic/2657/2657816.xml? Temp =. 6350061.

Regular match, matching phone number
Http://community.csdn.net/Expert/topic/3368/3368479.xml? Temp =. 9452478.

Showmodaldialog
Http://community.csdn.net/Expert/topic/3379/3379592.xml? Temp =. 9301721.

What is the difference between submit () and button for form submission?
Http://community.csdn.net/Expert/topic/3380/3380323.xml? Temp =. 2949793.
Double-click a cell in the DataGrid, but the cell can be edited,
Http://community.csdn.net/Expert/topic/3399/3399546.xml? Temp =. 6452295.
Read Information in the XM File
Http://community.csdn.net/Expert/topic/3407/3407705.xml? Temp =. 6566584.

Solve the Problem of dynamically generating and saving controls
Http://community.csdn.net/Expert/topic/3370/3370620.xml? Temp =. 9285547.

Is the function for calculating the difference between two dates? For example, datadiff (month, D1, D2) in SQL)
Http://community.csdn.net/Expert/topic/3383/3383127.xml? Temp =. 2753565.

Difficulty in IFRAME editing
Http://community.csdn.net/Expert/topic/3341/3341021.xml? Temp =. 9449121.

How can I prevent ASP. NET pages from being cached?
Http://community.csdn.net/Expert/topic/3392/3392511.xml? Temp = 1.20.807e-02
How can I read the first three rows of data from the database? Urgent
Http://community.csdn.net/Expert/topic/3267/3267004.xml? Temp =. 2364466.
In the background (*. CS file), how does one set the forecolor of the label server empty parts?
Http://community.csdn.net/Expert/topic/3355/3355537.xml? Temp =. 4596369.
How can I compress the image proportion when it is displayed?
Http://community.csdn.net/Expert/topic/3238/3238435.xml? Temp =. 5430719.
Http://community.csdn.net/Expert/topic/3433/3433453.xml? Temp =. 1722223.
How can I determine whether the mode is debug or release? (C #) (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3245822

How to Implement the sizeof of C ++? (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3247768

Hosting-non-managed type conversion problem (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3260809

C # calling the DLL parameter of VC is a problem of custom type pointer (FFB
Http://community.csdn.net/Expert/TopicView.asp? Id = 3255959

C ++ uses a large number of pointer operations to analyze the data packet structure. How can I transfer it to C? (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3260642

How can I merge two bytes using memorystream/serialization? (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3289022

How to efficiently remove \ 0 at the end of a string? (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3283632

How to include a fixed-length array in the structure? (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3268114

How can I open up a specified memory size for the unsafe void * pointer? (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3261164

. NET and Win32 type conversion problems, why is this structure 16 bytes long? (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3359087

An integer is 4 bytes. How can I use C # To get these four bytes? (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3321271

How to pass data as a parameter (FFB)
Http://community.csdn.net/Expert/TopicView.asp? Id = 3300297

Others
Http://community.csdn.net/Expert/TopicView.asp? Id = 3372469
How to write the Click Event of the linkbutton in the DataGrid?
Http://community.csdn.net/Expert/topic/3474/3474030.xml? Temp =. 755932.
Read Information in the XM File
Http://community.csdn.net/Expert/topic/3407/3407705.xml? Temp =. 3329279.

How to determine whether an object's attribute value exists in JS
Http://community.csdn.net/Expert/topic/3415/3415179.xml? Temp =. 4078791.

How to dynamically Add a page panel to a background file
Http://community.csdn.net/Expert/topic/3439/3439865.xml? Temp =. 8480646.

Do not use the title bar. Do not minimize the number of buttons. How do you set window. Open Window always on top? Please help. Waiting online!
Http://community.csdn.net/Expert/topic/3446/3446972.xml? Temp =. 3335382.

Dynamically generate a Server Control (button) and use its Click Event
Http://community.csdn.net/Expert/topic/3469/3469677.xml? Temp =. 7751886.

The corresponding carriage return event. When the button is on the single-line editing control, the carriage return event is converted into a tab event.
Http://community.csdn.net/Expert/topic/3482/3482135.xml? Temp = 6.840152e-02

How to Convert hex color to RGB format
Http://community.csdn.net/Expert/topic/3493/3493270.xml? Temp =. 2042047.

Collect useful functions and classicJavascriptCode
Http://community.csdn.net/Expert/topic/3494/3494338.xml? Temp =. 4798395.

Dropdownlist: No-refreshing linkage menu, which must be implemented using xmlthhp
Http://community.csdn.net/Expert/topic/3495/3495124.xml? Temp = 1.939029e-02

How to display different data in the DataGrid based on different fields
Http://community.csdn.net/Expert/topic/3487/3487067.xml? Temp =. 9123346.

How to automatically switch to the homepage within 2 seconds after the user registration is successful
Http://community.csdn.net/Expert/topic/3502/3502576.xml? Temp =. 6382868.

After reading the page-based storage process, one sentence: it is not very good. It is my support for the. NET forum! Highly Efficient paging stored procedures with only five sentences
Http://community.csdn.net/Expert/topic/3292/3292678.xml? Temp = 8.622425e-02

Is there any way to get the viewer's MAC address?
Http://community.csdn.net/Expert/topic/3503/3503946.xml? Temp =. 4505426.

Use Asp.net to generate an Exel file from an SQL table
Http://community.csdn.net/Expert/topic/3503/3503719.xml? Temp =. 8920709.

How can I modify a style sheet file in the background? Urgent, online, etc.
Http://community.csdn.net/Expert/topic/3504/3504277.xml? Temp =. 8561212.

Reference realplay one in ASP. NET to implement video
Http://community.csdn.net/Expert/topic/3524/3524807.xml? Temp =. 1698419.
The DataGrid with a scroll bar, just made, is very simple, but not very nice, I hope you can change it!
Http://blog.csdn.net/rickjelly2004/archive/2004/12/14/215508.aspx
Collect the most beautiful Verification Code
Http://community.csdn.net/Expert/topic/3451/3451248.xml? Temp =. 1554987.

Scroll bar style
Http://community.csdn.net/Expert/topic/3532/3532265.xml? Temp =. 4123957.

How can I maximize the window ??? Not full screen, it is equivalent to pressing the de maximization button in the upper right corner of the window !!!
Http://community.csdn.net/Expert/topic/3556/3556037.xml? Temp =. 6214411.

Dynamically Add a linkbutton control to a calendar Control
Http://community.csdn.net/Expert/topic/3558/3558436.xml? Temp =. 5620539.

How do I write the code with the embed mark ??
Http://community.csdn.net/Expert/topic/3560/3560382.xml? Temp =. 3838922.

How to Use findcontrol to obtain the selectedvalue of dropdownlist in the headertemplate in the DataGrid
Http://community.csdn.net/Expert/topic/3584/3584069.xml? Temp =. 2555353.

There are several GB of favorite e-books. Download them if you need them.
Http://community.csdn.net/Expert/topic/3587/3587151.xml? Temp =. 8816339.

On the C # (web page), how does one bring up a save dialog box ??? (It is good to have the original code.
Http://community.csdn.net/Expert/topic/3593/3593381.xml? Temp =. 5247614.

How can I obtain the attributes of a folder ...????
Http://community.csdn.net/Expert/topic/3633/3633796.xml? Temp =. 5394098.
How to Get focus after verification using the verification control
Http://community.csdn.net/Expert/topic/3749/3749268.xml? Temp =. 7708246.