C # Simple Query SQLite database for the existence of data methods _c# Tutorial

Source: Internet
Author: User
Tags sqlite sqlite database

The example in this article describes a C # simple query SQLite database for data. Share to everyone for your reference, specific as follows:

SQLite Database Driver component
using System.Data.SQLite;
Insert Database function
  int sqlquery (String sql)
  {
   try
   {
    //Open database
    sqliteconnection conn = new Sqliteconnection ();
    Sqliteconnectionstringbuilder connstr = new Sqliteconnectionstringbuilder ();
    ConnStr. DataSource = "My.db";
    Conn. ConnectionString = ConnStr. ToString ();
    Conn. Open ();
    Execute SQL statement
    sqlitecommand cmd = new Sqlitecommand ();
    Cmd.commandtext = SQL;
    Cmd. Connection = conn;
    Sqlitedatareader Reader=cmd. ExecuteReader ();
    int result=0;
    while (reader. Read ())
    {
     result=1;
    }
    Closes all connection
    connstr. Clear ();
    Conn. Close ();
    return result;
   }
   catch (Exception ex)
   {
        //
   } return
   0;
}

Read more about C # Interested readers can view the site topics: "C # Programming Thread Usage Tips summary", "C # Operation Excel Skills Summary", "C # XML file Operation Tips Summary", "C # Common control usage Tutorial", "WinForm Control Usage Summary", "C # tutorial on data structure and algorithms, summary of C # array manipulation techniques, and an introductory course on C # object-oriented programming

I hope this article will help you with your C # programming.

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