Hi,

I am trying to install dotnetnuke version 5.02,

I tried this http://localhost/DotNetNuke/Install/Install.aspx?mode20=Install

and receiving error as below 

Line 96:                     Response.Write("<h2>Installation Status Report</h2>")
Line 97:                     Response.Flush()
Line 98:                     Services.Upgrade.Upgrade.InstallDNN(strProviderPath) Line 99: 
Line 100:                    Response.Write("<h2>Installation Complete</h2>")

Source File: C:\Inetpub\wwwroot\DotNetNuke\Website\Install\Install.aspx.vb    Line: 98   
[ArgumentException: format of the initialization string does not conform to specification starting at index 0.]
   System.Data.Common.DbConnectionOptions.GetKeyValuePair(String connectionString, Int32 currentPosition, StringBuilder buffer, Boolean useOdbcRules, String& keyname, String& keyvalue) +4863358
   System.Data.Common.DbConnectionOptions.ParseInternal(Hashtable parsetable, String connectionString, Boolean buildChain, Hashtable synonyms, Boolean firstKey) +129
   System.Data.Common.DbConnectionOptions..ctor(String connectionString, Hashtable synonyms, Boolean useOdbcRules) +98
   System.Data.SqlClient.SqlConnectionString..ctor(String connectionString) +55
   System.Data.SqlClient.SqlConnectionFactory.CreateConnectionOptions(String connectionString, DbConnectionOptions previous) +24
   System.Data.ProviderBase.DbConnectionFactory.GetConnectionPoolGroup(String connectionString, DbConnectionPoolGroupOptions poolOptions, DbConnectionOptions& userConnectionOptions) +200
   System.Data.SqlClient.SqlConnection.ConnectionString_Set(String value) +62
   System.Data.SqlClient.SqlConnection.set_ConnectionString(String value) +4
   System.Data.SqlClient.SqlConnection..ctor(String connectionString) +24
   DotNetNuke.Data.SqlDataProvider.ExecuteADOScript(String SQL) +31
   DotNetNuke.Data.SqlDataProvider.ExecuteScript(String Script, Boolean UseTransactions) +422
   DotNetNuke.Data.SqlDataProvider.ExecuteScript(String Script) +12
   DotNetNuke.Services.Upgrade.Upgrade.ExecuteScript(String strScriptFile, String version, Boolean writeFeedback) +126
   DotNetNuke.Services.Upgrade.Upgrade.InstallDatabase(Int32[] intVersion, String strProviderPath, XmlDocument xmlDoc, Boolean writeFeedback) +485
   DotNetNuke.Services.Upgrade.Upgrade.InstallDNN(String strProviderPath) +176
   DotNetNuke.Services.Install.Install.InstallApplication() in C:\Inetpub\wwwroot\DotNetNuke\Website\Install\Install.aspx.vb:98
   DotNetNuke.Services.Install.Install.Page_Load(Object sender, EventArgs e) in C:\Inetpub\wwwroot\DotNetNuke\Website\Install\Install.aspx.vb:356
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627