修改工单流程页面，订单列表增加工单按钮

OrderSupportTicket/LaunchDarkly.EventSource/ExceptionEventArgs.cs

@@ -0,0 +1,28 @@
+using System;
+
+namespace LaunchDarkly.EventSource
+{
+    /// <summary>
+    /// Provides exception data raised in the EventSource <see cref="EventSource.Error" /> event. 
+    /// </summary>
+    /// <seealso cref="System.EventArgs" />
+    public class ExceptionEventArgs : EventArgs
+    {
+        /// <summary>
+        /// Gets the <see cref="System.Exception"/> that represents the error that occurred.
+        /// </summary>
+        /// <value>
+        /// The exception.
+        /// </value>
+        public Exception Exception { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ExceptionEventArgs"/> class.
+        /// </summary>
+        /// <param name="ex">A <see cref="System.Exception"/> that represents the error that occurred.</param>
+        public ExceptionEventArgs(Exception ex)
+        {
+            Exception = ex;
+        }
+    }
+}