"});//Retrieving schema information for Excel varSheet =New string[dt. Rows.Count]; for(inti =0, j = dt. Rows.Count; I ) { //gets the sheetname that was brought with the $Sheet[i] = dt. rows[i]["table_name"]. ToString (); } returnsheet; } Catch { return NULL; } } //The following method gets the
must match the data source imported to SQL server.If Microsoft Excel 5.0 is selected as the data source when importing data to SQL server, and the excel file version is Micaosoft Excel/95, a problem may occur. For more information about how to view the Excle file format, open the
During the Big data import implementation, there are two most common problems: exceeding the line limit and memory overflow!18 days of data, a total of 500w, how to store 500w records in Excel, I thought of two ways to implement: Plsql developer and Java poi!Plsql DEVELOPERThere are two ways to implement this:1, in the new SQL WINDOW, execute the query statement you want to export data, after the query, cli
In daily projects, it is very common to import data in Excel, Word, txt, and other formats to the database. Here I will make a summary
This section describes how to import SQL Server, Oracle database, and WinForm into SQL Server and Oracle database.
First look at the interface
The basic idea of implementation:
1. Use the FileUpload control fuload to upload
access|ado| data using ado.net to unlock Microsoft Access data
Paul Cornell
Microsoft Corporation
December 6, 2001
Microsoft®office provides a variety of features and tools for storing and managing data, such as data Access Objec
match the data source imported to SQL server.If Microsoft Excel 5.0 is selected as the data source when importing data to SQL server, and the excel file version is Micaosoft Excel/95, a problem may occur. For more information about how to view the Excle file format, open the excel
Import content from Excel to the database:For example, to import the Excel content to table 1, follow these steps:
1. First clear the original table 1, or insert records to the original table.Delete from Table1
2. Import Excel r
Today, I have made such a project, and I need to import the Excel data to the database. Although I have written it before, I forgot it. So today I found a better one to collect it.
Below isCode:
Protected
Void
Btnimport_click (
Object
Sender, eventargs E){
If
(Fileupload1.hasfile
=
False
)
//
Hasfile is used to check whether a specified file exists in fileupload.
Import an Excel file with the same structure in a directory (including sub-Directories) to sql2005 in batches. You can use SSIS to customize the task. A large number of images are used below to describe the entire process.
1. Create a test Excel file. Assume that there are four fields a B c d stored in the F:/Excel d
Whether using sqlcmd or using C # logic processing or directly performing operations in SQL Server, the following two methods can be summarized: 1, SSIS; 2, OLEDB driver engine. SSIS is actually easy to use. I will not discuss it here. Most people use the second method. below, I use the second method to export data in SqlServer.
Whether using sqlcmd or using C # logic processing or directly performing operations in SQL Server, the following two methods can be summarized: 1, SSIS; 2, OLEDB driver
Method 1: import data to a DataSet object. Only the standard format of Excel is supported, that is, cells cannot be merged.
/// /// Import data to the dataset/// Note: This method only supports the original excel File/// /// /// /// Public static System. Data. DataTable InputExcel (string Path, ref string exceptionMsg)
Method 1: import data to a DataSet object. Only the standard format of Excel is supported, that is, cells cannot be merged.
/// /// Import data to the dataset/// Note: This method only supports the original excel File/// /// /// /// Public static System. Data. DataTable InputExcel (string Path, ref string exceptionMsg)
, if not just look for help. Here are two of your own experiences: First, notice that the version and format of the Excel file match the data source that was imported to SQL Server. If your data source is imported to SQL Server when you select Microsoft Excel 97-2000, and the version of the Excel file is micao
Principle: It is the principle of the same page principle! Select a certain amount of data and then become an array, then write directly to the file. Next continue to select the data that is not selected after the array, and then write the file! this resolves a memory overflow. But many CPUs still have a test! Because I just learned PHP (PHP training PHP Tutorial) Soon, the skill is not deep! You can only write such a thing!Source!Excel (
Vb.net data import excel Code. This is a simple example of using vb.net to import database data to the execel instance. If you are looking for relevant data. net to import data to a data table, this is a complete available code.
Vb.net data import
Import Excel table data to SQL database
The Code is as follows:
String [] data = new string [3]; // defines an array to store the data read in the drd string filePathName = ""; // storage file name // define an open file dialog box and set the relevant attributes OpenFileDialog importFileDialog = new OpenFileDialog (); importFileDialog. addExtension = true; importFileDialog. checkFileExists = true; importFi
Tags: http io ar os sp for file data onIs the principle of the same page principle! Select a certain amount of data and then become an array, then write directly to the file. Next continue to select the data that is not selected after the array, and then write the file! this resolves a memory overflow. But many CPUs still have a test! Because I just learned PHP (PHP training PHP Tutorial) Soon, the skill is not deep! You can only write such a thing!Source!Ex
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