tool to generate class from database table c#

Asp.net[c#] Access database operations class private string datapatch = configurationsettings.appsettings["Acessconn"]; Database Address private String datapatch = "Db/global.asa"; Database address//////get DataSet//////query statement///public DataSet GetDataSet (stri

The book "C # database application development technology and Case Study" is carefully written by myself. It is not shoddy, not lazy, or simply pieced together. I hope beginners can learn through this book, real understanding based on ADO. NET database programming technology, understanding object-oriented programming ideas, and entering the door of software devel

Hey, I'm bored with writing an MSSQL operation class tonight. It's a starting point of the C # Journey. Everyone in the blog Park tries their best to make a brick! My progress depends on everyone. I hope you will not be enlightened !! Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 class MSSQL 2 { 3 private stri

]. Value.split (', '); Split table field} else {result =-1; Return result;//-1 means the regular match is not } length = filed. Length; if (input. Length! = Length | | DbType. Length! = Length | | Dbsize. Length! = length) {result =-2; return result; The input parameter is not of the correct length} mysqlcommand cmd = new Mysqlcommand (); Mysqlparameter[] paras

Environment: C #. 2005 + ACCESS + SQL 1. Insert a datatable into the databasePublic static void datatabletodb (){String _ strexcelfilename = @ "D: \ example.xls ";Datatable dtexcel = exceltodatatable (_ strexcelfilename, "sheet1 ");For (INT I = 0; I {Insertdatatoaccess (dtexcel. Rows [I] [0]. tostring (), float. parse (dtexcel. Rows [I] [1]. tostring ()));}} 2. Read Excel data into datatable Public static datatable exceltodatatable (string str

) { Conn. Open (); } Call Connection string private void ComboBox1_SelectedIndexChanged (object sender, EventArgs e) { opendatabase (); sql = "SELECT * from table where field = XXXX; " cmd = new SqlCommand (SQL, conn); SqlDataAdapter SDA = new SqlDataAdapter (cmd); DataTable dt = new DataTable (); Sda. Fill (DT); }

1 Private voidFormlugother_load (Objectsender, EventArgs e)2 {3 foreach(stringStrinchformlug.fieldlistlug1)4 {5 Try6 {7Label label =NewLabel ();8Label. Text =str;9 This. TABLELAYOUTPANEL1.CONTROLS.ADD (label);TenTextBox textbox =NewTextBox (); OneTextbox. Name ="TB"+str; ATextbox. Text = formlug.tbvalue.rows[0][str]. ToString (); - This. TABLELAYOUTPANEL1.CONTROLS.ADD (textbox); -

Previously used to update the database with SQL statements (update), it is not very convenient to use, especially in the case of large amount of data (such as data table) is very troublesome ~ ~ later felt that using dataset to update the database is a good choice. So I was anxious to write a class that updates the

Tags: C #, SQL server2008 database connectionsUsing System;Using System.Collections.Generic;Using System.Linq;Using System.Text;Using System.Threading.Tasks;Using System.Windows.Forms;Using System.Data.SqlClient;Using System.Data;Namespace vote{public class DataBase{SqlConnection Conn;Constructing a Connection objectSt

Data | Database Class Code: Using System; Using System.Data; Using System.Data.OleDb; Namespace Dbclass { Summary description of the Db_class. public class Db_class { Public OleDbConnection Conn; Constructors Public Db_class () { conn= new OleDbConnection ("PROVIDER=SQLOLEDB; server= (local); pwd=123456; Uid=sa;database