System.argumentexception: 'format of the initialization string does not conform to specification starting at index 35.'

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SQL-Server-2014

i face this error when i create conection with local db of SQL server 2014,
i create c# winform application when i run my application it show me error message where i call the connection string that created in app.config file.

What I have tried:

my App.config fille is

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
   <connectionStrings>
     <add name="dbx"
            connectionString="Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename='|DataDirectory|\db\RetilShop_POS;Integrated Security=True"
            providerName="System.Data.SqlClient"/>
   </connectionStrings>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
    </startup>
</configuration>

Posted 31-Jan-19 6:52am

Fahid Zahoor

Updated 31-Jan-19 22:35pm

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2 solutions

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Gerry Schmitz · Accepted Answer · 2019-01-31T07:12:00

Solution 1

"DataDirectory" is usually what bites you.

c# - ADO.NET |DataDirectory| where is this documented? - Stack Overflow[^]

Posted 31-Jan-19 7:12am

Gerry Schmitz

Richard MacCutchan · Accepted Answer · 2019-01-31T22:36:00

Solution 2

HTML

connectionString="Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename='|DataDirectory|\db\RetilShop_POS;Integrated Security=True"
providerName="System.Data.SqlClient"/>

You have mismatched single and double quotes in your text.

Posted 31-Jan-19 22:36pm

Richard MacCutchan

Comments

Fahid Zahoor 1-Feb-19 9:45am

yes i understand now

Richard MacCutchan 1-Feb-19 10:02am

Whenever you get an error referring to formatting you should inspect the relevant strings carefully first. It would save the time spent posting your question and waiting for a response.