convert xlsx to excel

Recently, a project needs to convert files (such as Word, Excel, txt, and image) to PDF files. After searching the documents, there are many implementation methods, such as calling a virtual printer for conversion,Use third-party components (such as itextsharp and sharppdf. Now both are used. When HTML is converted to a PDF file, I first intercept HTML as an image and then

I encountered a problem today. The content is described as follows:There is an Excel file with hundreds of thousands of rows of data, for example:Name number content .......Zhang San 12132 xxxxxxxxxxLili 321321 yyyyyyy....I wanted to apply the data to the app, but I couldn't find a proper method. I originally wanted to convert the data to SQLite. I found the SQLite management tool on MAC for a long time, bu

The SHIFT key is the beauty of Excel: When you press the SHIFT key and click the Edit menu, the original copy and paste option becomes "Copy Picture" and "Paste picture." With this feature, we can easily convert the selected range of cells to a picture. The specific method of operation is as follows: First select the range of cells you want to copy into the picture, and then hold down the SHIFT key, selec

Office Excel2003 Conversion Method: 1. I open the excel2003 first, and then click "Import Data" in the "Data" drop-down menu, as shown in the picture; 2. Select the TXT file that we want to convert Excel file, then click on "Open" button; 3. Then we click on the "Next" button to select the "separator symbol" of the pop-up window. 4. Then put the other input ";" and then click "Next" button; 5.

Address: http://wenku.baidu.com/view/fcdbe8cca1c7aa00b52acbad.html1. Click "Open" in the Excel program to select the file type as "text file" to find the previously used detail declaration file (. txt);2, in the Text Import Wizard1 "SELECT" Separator symbol ";3, in the Text Import Wizard 2, in the "Separator" column, select "Comma";4 , in the "Text Import Wizard 3" in the "Data preview" in the "ID number" and "The resulting item code" is defined as "t

Sometimes we need to import a lot of data into the app static data, but the data is in Excel, what to do?First, copy the data into a. txt text documentSecond, it's the code.For example, I need to import a data table with 2 columns of fields, name and barcode1 //Path2NSString *path = [[NSBundle mainbundle] Pathforresource:@"Tiaoxingma"OfType:@"txt"];3 //UTF-84NSString *contents =[[NSString alloc] Initwithcontentsoffile:path encoding:nsutf8stringenc

1, the first installation of Excel to PDF conversion software, follow the steps to complete the installation, carefully observe your desktop, is not more than an icon, double-click into the Software program window, you can next operation. 2, select the conversion mode, select "Add File" open the need to convert the document, through the file list to see the location of the file displayed. 3, then select

Front Desk Related: Background Using System.data;using system.io;using Npoi. Ss. Usermodel;using Npoi. XSSF. Usermodel;using Npoi. HSSF. Usermodel;using system.data.sqlclient;using maticsoft.dbutility; Use Nopi to upload Excel, convert to DataTable, use SqlBulkCopy to write data to database table, configure add default column and value, write data to corresponding database field

1. Excel tools/macro/analysis tools/There are indeed similar functions in which the decimal number can be easily converted to binary. However, the fatal disadvantage of this function is that it can only be replaced. -512 ~ An integer between 511 and beyond this range. Therefore, we can only use VBA to write an available function. 2.2.alt + F11 orTool/macro/Visual Basic Editor/, Insert the module into the following functions Function n10to2 (byval B

Use VBA in Excel to convert dollars to renminbi 1, first we open a table as an example. The numerical units in the example are all RMB and we convert them to dollar units. 2, we press ALT + F11 combination shortcut to enter VBE edit it, insert a new module, and in the Code Editor write the following code: Option Explicit Sub TOUSD ()

Use NPOI to convert Excel Data to DataTable and npoidatatable 1 /// View Code

Assume that column A is a social security number (15-bit or 18-bit) since A2.1, the Social Security number is changed to 18 bits, the input array formula:=if (LEN (A2) =15,replace (a2,7,,19) mid ("10x98765432", MOD (SUM (For MID (REPLACE (a2,7,,19), ROW (INDIRECT ("1:17"), 1) * 2^ (18-row (INDIRECT ("1:17"))), one) +1,1), A2)Note: Array formula Input Method: Do not press ENTER after entering the formula, but press Ctrl+shift+enter.2, the Social Security number is changed to 15 bits, enter the fo

. Writelog (ex. ToString ()); return false; } finally { if(Worddocument! =NULL) {Worddocument.close (refParammissing,refParammissing,refparammissing); Worddocument=NULL; } if(Wordapplication! =NULL) {Wordapplication.quit (refParammissing,refParammissing,refparammissing); Wordapplication=NULL; } GC. Collect (); Gc. WaitForPendingFinalizers (); Gc. Collect (); Gc. WaitForPendi

Convert the PostgreSQL data table to excel and postgresqlexcel COPYExchange data between PostgreSQL tables and standard file system files.COPYTOCopy all contents of a tableToOne file, whileCOPYFROMSlaveCopy data from a file to a table (attach the data to the existing content in the table ). COPY table name TO 'file name .csv 'csv header; Note: CSV Open the comma-separated variable (CSV) mode. HEADER T

Public class ConvertExcel { Public void GridToExcel (System. Web. UI. Control ctl, bool clearControls) { HttpContext. Current. Response. AppendHeader ("Content-Disposition", "attachment?filename=excel.xls "); HttpContext. Current. Response. Charset = "UTF-8 "; HttpContext. Current. Response. Buffer = true; HttpContext. Current. Response. ContentEncoding = System. Text. Encoding. Default; HttpContext. Current. Response. ContentType = "application/ms-excel