how to read sql database

Tags: false additional library file permissions additional data ALS database read-only file1. To change the properties of the database file right-click on the properties of the two files--security--add--immediately find--find everyone this user to check his permissions are OK and then attach on OK.2. In the database ma

Create a database test in SQL Server, and then create a data table imagetable in test,The field ID int is automatically increased.ImagePath nchar (50)Image image type CodeAs follows: Using system;Using system. Collections. Generic;Using system. componentmodel;Using system. Data;Using system. drawing;Using system. text;Using system. Windows. forms;Using system. Data. sqlclient;Using system. IO; Namespa

：Download link1. Create a WinForm form, the form is divided into "data upload" and "data read" two parts;2. In the SQL Server database, create a data table named Peopleinformation with three fields in the table: ID, Name, Photo.3. Set the ID field as the primary key, and the self-incrementImage upload Code1 //read

Label:Wordy words will not say more, straight into the subject bar!Programme one:In this case, the SA account is typically used to log on, as long as Windows authentication is changed, and the database is attached.Scenario Two:Use the sa login SQL Server2008 to attach the database, append the database to

In database operations, additional database read-only behavior tends to occur, resulting in loss of other operations on the database. How to solve it? Here are one by one of the way.Wordy words will not say more, straight into the subject bar!Programme one:In this case, the SA account is typically used to log on, as lo

fs =NewFileStream (Openfiledialog1.filename,filemode.open,fileaccess.read); BinaryReader BR=NewBinaryReader (FS);//Binary Reader byte[] buffer = br. Readbytes (int. Parse (fs. Length.tostring ())); //connecting to a databaseSqlConnection conn =NewSqlConnection ("server=.; Database=snewdata;user=sa;pwd="); SqlCommand cmd=Conn. CreateCommand (); Cmd.commandtext="INSERT into imgtable values (@buffer)"; Cmd. P

The example in this article describes how C # forms read Excel and deposit into SQL database. Share to everyone for your reference. The implementation method is as follows:A textbox1,2 button is placed on a Windows Form button1 and button2~ Press button1 select Excel file ~ Press Button2 for related processing The code is as follows:private void Button1_Click (Ob

= "select * from [sheet1 $]"; Olecmd. Connection = olecon; Oleda. selectcommand = olecmd; Try { Oleda. Fill (myds, "execl "); Return myds; } Catch { Return myds; } Finally { Olecon. Close (); Olecmd. Dispose (); Oleda. Dispose (); Olecon. Dispose (); } } # Endregion # Region reads CSV files and returns Dataset /// /// Read the CSV file and return Dataset /// /// Public dataset CSV () { Dataset

");Return myds;}Catch{Return myds;}Finally{Olecon. Close ();Olecmd. Dispose ();Oleda. Dispose ();Olecon. Dispose ();} }# Endregion # Region reads CSV files and returns Dataset/// /// Read the CSV file and return Dataset/// /// Public dataset CSV (){Dataset csvdata = new dataset ();Olecon. connectionstring = "provider = Microsoft. Jet. oledb.4.0; Data Source =" + filename + "; extended properties = 'text; FMt = delimited; HDR = yes ;'";Olecon. open ()

server|sqlserver| Data | Database using ASP to read and write image files to SQL Server database A form that sends an image file Img_upload.asp Second, accept the form from the image file In the img_upfile.asp file With the above code, the image file already exists in the variable M

-- SQL Server database recovery steps after doubt /* /* -- How to restore the database to normal if a log file is faulty (lost or the file format is invalid) SQL2000 database offline/read-only/urgent mode repair

Tags: order builder font static table nod get tab codeGet a list of database stored procedures: SELECT * FROM dbo.sysobjects where OBJECTPROPERTY (ID, N ' isprocedure ') = 1 ORDER by name Get parameter information for a stored procedure: (SQL method) SELECT * from syscolumns where ID in(SELECT ID from sysobjects as aWHERE objectproperty (ID, N ' isprocedure ') = 1and id = object_id