Index: System.Data.SQLite/SQLiteConnection.cs
==================================================================
--- System.Data.SQLite/SQLiteConnection.cs
+++ System.Data.SQLite/SQLiteConnection.cs
@@ -1172,10 +1172,11 @@
 
       if (Convert.ToInt32(FindKey(opts, "Version", DefaultVersion.ToString()), CultureInfo.InvariantCulture) != DefaultVersion)
         throw new NotSupportedException(String.Format(CultureInfo.CurrentCulture, "Only SQLite Version {0} is supported at this time", DefaultVersion));
 
       fileName = FindKey(opts, "Data Source", DefaultDataSource);
+      fileName = UnwrapFileName(fileName);
 
       if (String.IsNullOrEmpty(fileName))
       {
         fileName = FindKey(opts, "Uri", DefaultUri);
         if (String.IsNullOrEmpty(fileName))
@@ -1772,10 +1773,45 @@
                 Marshal.FreeHGlobal(pArg);
         }
 
         return rc;
     }
+
+    /// <summary>
+    /// Removes one set of surrounding single -OR- double quotes from the file
+    /// name and returns the resulting file name.  If the string is null, empty,
+    /// or contains quotes that are not balanced, nothing is done and the original
+    /// string will be returned.
+    /// </summary>
+    /// <param name="sourceFile">The database file name to process.</param>
+    /// <returns>The modified database file name.</returns>
+    private string UnwrapFileName(string sourceFile)
+    {
+        if (String.IsNullOrEmpty(sourceFile))
+        {
+            //
+            // NOTE: The string is null or empty, return it verbatim.
+            //
+            return sourceFile;
+        }
+
+        int length = sourceFile.Length;
+
+        if (((sourceFile[0] == '\'') && (sourceFile[length - 1] == '\'')) ||
+            ((sourceFile[0] == '"') && (sourceFile[length - 1] == '"')))
+        {
+            //
+            // NOTE: Remove the first and last character.
+            //
+            return sourceFile.Substring(1, length - 2);
+        }
+
+        //
+        // NOTE: No match, return the input string verbatim.
+        //
+        return sourceFile;
+    }
 
     /// <summary>
     /// Expand the filename of the data source, resolving the |DataDirectory|
     /// macro as appropriate.
     /// </summary>

ADDED   Tests/tkt-8c3bee31c8.eagle
Index: Tests/tkt-8c3bee31c8.eagle
==================================================================
--- /dev/null
+++ Tests/tkt-8c3bee31c8.eagle
@@ -0,0 +1,85 @@
+###############################################################################
+#
+# tkt-8c3bee31c8.eagle --
+#
+# Written by Joe Mistachkin.
+# Released to the public domain, use at your own risk!
+#
+###############################################################################
+
+package require Eagle
+package require Eagle.Library
+package require Eagle.Test
+
+runTestPrologue
+
+###############################################################################
+
+package require System.Data.SQLite.Test
+runSQLiteTestPrologue
+
+###############################################################################
+
+runTest {test tkt-8c3bee31c8-1.1 {built connection string quoting} -setup {
+  unset -nocomplain dataSource o result
+} -body {
+  set o [object create -alias System.Data.SQLite.SQLiteConnectionStringBuilder]
+
+  foreach dataSource [list \
+        "C:\\test_path\\test.db" \
+        "/test_path/test.db" \
+        "C:\\test path\\test.db" \
+        "/test path/test.db" \
+        "C:\\test'path\\test.db" \
+        "/test'path/test.db"] {
+    $o DataSource $dataSource
+    lappend result [list $dataSource [$o ToString]]
+  }
+
+  set result
+} -cleanup {
+  unset -nocomplain dataSource o result
+} -constraints {eagle monoBug28 command.sql compile.DATA SQLite\
+System.Data.SQLite} -result {{{C:\test_path\test.db}\
+{data source=C:\test_path\test.db}} {/test_path/test.db\
+{data source=/test_path/test.db}} {{C:\test path\test.db} {data source="C:\test\
+path\test.db"}} {{/test path/test.db} {data source="/test path/test.db"}}\
+{{C:\test'path\test.db} {data source="C:\test'path\test.db"}}\
+{/test'path/test.db {data source="/test'path/test.db"}}}}
+
+###############################################################################
+
+runTest {test tkt-8c3bee31c8-1.2 {open single quoted file name} -setup {
+  unset -nocomplain fileName o
+} -body {
+  set fileName [appendArgs ' [file join [getDatabaseDirectory] \
+      tkt-8c3bee31c8-1.2.db] ']
+
+  set o [object create -alias System.Data.SQLite.SQLiteConnection]
+  $o ConnectionString [appendArgs "Data Source=" $fileName \;]
+  $o Open; # NOTE: This command may throw an exception, failing the test.
+} -cleanup {
+  unset -nocomplain fileName o
+} -constraints {eagle monoBug28 command.sql compile.DATA SQLite\
+System.Data.SQLite} -result {}}
+
+###############################################################################
+
+runTest {test tkt-8c3bee31c8-1.3 {open double quoted file name} -setup {
+  unset -nocomplain fileName o
+} -body {
+  set fileName [appendArgs \" [file join [getDatabaseDirectory] \
+      tkt-8c3bee31c8-1.3.db] \"]
+
+  set o [object create -alias System.Data.SQLite.SQLiteConnection]
+  $o ConnectionString [appendArgs "Data Source=" $fileName \;]
+  $o Open; # NOTE: This command may throw an exception, failing the test.
+} -cleanup {
+  unset -nocomplain fileName o
+} -constraints {eagle monoBug28 command.sql compile.DATA SQLite\
+System.Data.SQLite} -result {}}
+
+###############################################################################
+
+runSQLiteTestEpilogue
+runTestEpilogue