How Will I Generate A Dynamic Entity Framework Sql Server2005 Connectionstring In Windows Application?

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what is the way to make entity framework sql server 2005 connectionstring dynamic? my entity framework connectionstring stored in app.config file. when i made a windows application and after making exe file, i want to install it any computer without changing connectionstring myself. the software will be automatically connected to the database. please help me. thanks in advance.

[EDIT]
From OP (accidentally posted as a Solution):

Here is my connectionstring.

<add name="ProductEntities" connectionstring="metadata=res://*/DBEntity.Model1.csdl|res://*/DBEntity.Model1.ssdl|res://*/DBEntity.Model1.msl;provider=System.Data.SqlClient;provider connection string="Data Source=DEV2-PC\SQLEXPRESS;Initial Catalog=D:\DEVELOPMENT\DBFILES\PRODUCT.MDF;Integrated Security=True;MultipleActiveResultSets=True"" providername="System.Data.EntityClient" />
[/EDIT]

Posted 20-Mar-14 20:48pm

Suman Maji

Updated 21-Mar-14 20:38pm

SoMad

v3

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sohail awr · Answer 1 · 2014-03-20T21:52:00

Create a separate form in your application for server settings which will update your app.config file.

Use these are at top in your form coding. Change the name of "MMISCONFIG" to your connection string key.

VB

Imports System.IO
Imports System.Text
Imports System.Configuration
Imports Microsoft.Win32
Imports System


Private Sub btn_save_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn_save.Click


    Dim config As System.Configuration.Configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None)
    If Me.rb_ipaddress.Checked = True Then
        config.AppSettings.Settings.Item(&quot;MMISCONFIG&quot;).Value = Me.txt_ipaddress.Text
    Else
        config.AppSettings.Settings.Item(&quot;MMISCONFIG&quot;).Value = Me.txt_server_name.Text
    End If

    config.Save(ConfigurationSaveMode.Modified)

    MsgBox(&quot;The Server Name/IP Address successfully Changed.&quot; &amp; vbCrLf &amp; &quot;For New Settings your application will restart automatically!&quot;, MsgBoxStyle.Information, &quot;Server Alert&quot;)
    Application.Restart()
End Sub</pre>

Suman Maji · Answer 2 · 2014-03-21T19:27:00

Solution 2

Here is my connectionstring.

<add name="ProductEntities" connectionstring="metadata=res://*/DBEntity.Model1.csdl|res://*/DBEntity.Model1.ssdl|res://*/DBEntity.Model1.msl;provider=System.Data.SqlClient;provider connection string="Data Source=DEV2-PC\SQLEXPRESS;Initial Catalog=D:\DEVELOPMENT\DBFILES\PRODUCT.MDF;Integrated Security=True;MultipleActiveResultSets=True"" providername="System.Data.EntityClient">

Posted 21-Mar-14 19:27pm

Suman Maji

Comments

Suman Maji 22-Mar-14 1:35am

Here is my connectionstring.