c# connection to sqlserver database DBHelp code

admin · Posted on 10/9/2014 2:14:17 PM

It will be used for some projectsdatabase, below is the code for C# to connect to the local database.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using System.Data;
namespace Chairman
{
class DBHelp
{
private const string strConn = "server=.;database=QQ;integrated security=true;";
public static void update(string sql)
{
string strSql = sql;
SqlConnection sqlConn = new SqlConnection(strConn);
SqlCommand sqlComm = new SqlCommand(strSql, sqlConn);
sqlConn.Open();
sqlComm.ExecuteNonQuery();
sqlConn.Close();
}
public static DataTable select(string sql)
{
DataTable dt = new DataTable();
SqlDataAdapter sqlDA = new SqlDataAdapter(sql, strConn);
sqlDA.Fill(dt);
return dt;
}
}
}

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moxuan · Posted on 3/29/2015 11:45:56 AM

The teacher said that the phone call is very vivid

[Source] c# connection to sqlserver database DBHelp code