entity 오류로인해 제거해야해서 . 제거전 백업

DBMigration/Models/ConnectionInfo.cs

@@ -0,0 +1,30 @@
+namespace DBMigration.Models
+{
+    public class ConnectionInfo
+    {
+        public string ServerName { get; set; } = string.Empty;
+        public string DatabaseName { get; set; } = string.Empty;
+        public string UserId { get; set; } = string.Empty;
+        public string Password { get; set; } = string.Empty;
+        public bool UseWindowsAuthentication { get; set; }
+
+        public string GetConnectionString()
+        {
+            var builder = new Microsoft.Data.SqlClient.SqlConnectionStringBuilder
+            {
+                DataSource = ServerName,
+                InitialCatalog = DatabaseName,
+                IntegratedSecurity = UseWindowsAuthentication,
+                TrustServerCertificate = true
+            };
+
+            if (!UseWindowsAuthentication)
+            {
+                builder.UserID = UserId;
+                builder.Password = Password;
+            }
+
+            return builder.ConnectionString;
+        }
+    }
+}