problem in connect to database

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hi . in DAL i have the below code . the error is "the name 'configurationManager' does not exist in current context".

C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;

namespace DAL
{

    public class Class1
    {
        string connStr = ConfigurationManager.ConnectionStrings["myCon"].ToString();
       

    }
}

withal in 'web.config' i have:

XML

<add name="myCon" connectionString="Data Source=mydata;Initial Catalog=myDB;Integrated Security=false; User Id=sa; Password=123" providerName="System.Data.SqlClient" />

any help would be appreciate

Posted 13-Jan-14 19:54pm

comptech1

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3 solutions

Solution 4

U have to use

C#

System.Configuration

namespace for that u have to add reference

C#

System.Configuration.dll

and replace the

C#

string connStr = ConfigurationManager.ConnectionStrings["myCon"].ToString();

with

C#

string connStr = ConfigurationManager.ConnectionStrings["myCon"].ConnectionString

and let me know if its helps or not

Posted 13-Jan-14 21:35pm

Suk@nta

Updated 13-Jan-14 21:37pm

v2

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Gitanjali Singh · Accepted Answer · 2014-01-13T19:57:00

Solution 1

Restart the VSTS.

Refer:-http://social.msdn.microsoft.com/Forums/windows/en-US/82fcd001-243f-4604-bec4-02de92c4f568/problem-with-the-configurationmanager-class?forum=winformsapplications[^]
This may help.

Posted 13-Jan-14 19:57pm

Gitanjali Singh

TrushnaK · Accepted Answer · 2014-01-13T19:58:00

Solution 2

you just have added namespace system.configuration which is not enough.
You have also to add the reference to the assembly System.Configuration.dll , by right-click-ing on the References tab, choose add reference and then find System.Configuration.

Posted 13-Jan-14 19:58pm

TrushnaK