سلام دوستان
ببخشید من یه برنامه نوشتم جابجاش کردم توی یک مسیر دیگه با این خطا مواجه شدم به خاطر چیه ؟
گذاشتم رو any cpu | دات نت 4 | استیمول ریپورت
==========================
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************** Exception Text **************
System.Data.EntityException: The underlying provider failed on Open. ---> System.Data.SqlClient.SqlException: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
at System.Data.ProviderBase.DbConnectionPool.TryGetCo nnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
at System.Data.ProviderBase.DbConnectionPool.TryGetCo nnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
at System.Data.ProviderBase.DbConnectionFactory.TryGe tConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
at System.Data.ProviderBase.DbConnectionClosed.TryOpe nConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
at System.Data.SqlClient.SqlConnection.TryOpen(TaskCo mpletionSource`1 retry)
at System.Data.SqlClient.SqlConnection.Open()
at System.Data.EntityClient.EntityConnection.OpenStor eConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure)
--- End of inner exception stack trace ---
at System.Data.EntityClient.EntityConnection.OpenStor eConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure)
at System.Data.EntityClient.EntityConnection.Open()
at System.Data.Objects.ObjectContext.EnsureConnection ()
at System.Data.Objects.ObjectQuery`1.GetResults(Nulla ble`1 forMergeOption)
at System.Data.Objects.ObjectQuery`1.System.Collectio ns.Generic.IEnumerable<T>.GetEnumerator()
at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source)
at System.Linq.Queryable.Any[TSource](IQueryable`1 source)
at PreView.frm_Login.button1_Click(Object sender, EventArgs e) in C:\Users\S-Z\Desktop\Proje Customer\PreView\PreView\frm_Login.cs:line 27
at System.Windows.Forms.Button.OnMouseUp(MouseEventAr gs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
************** Loaded Assemblies **************
mscorlib
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.18449 built by: FX451RTMGDR
CodeBase: file:///C:/Windows/Microsoft.NET/Fra...9/mscorlib.dll
----------------------------------------
PreView
Assembly Version: 1.0.0.0
Win32 Version: 1.0.0.0
CodeBase:file:///C:/Users/raminsaffari/Deskto...ug/PreView.exe
----------------------------------------
System.Windows.Forms
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.18046 built by: FX45RTMGDR
CodeBase:file:///C:/Windows/Microsoft.Net/ass...dows.Forms.dll
----------------------------------------
System.Drawing
Assembly Version: 4.0.0.0
Win32 V
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