数据源为空时错误

HZH_Controls/HZH_Controls/Controls/List/UCListView.cs

@@ -417,6 +417,12 @@ namespace HZH_Controls.Controls
 
             if (Page == null)
             {
+                if (m_dataSource == null)
+                {
+                    intCount = 0;
+                }
+                else
+                {
                     if (((IList)m_dataSource).Count > intCount)
                     {
                         intXCount = (this.panMain.Width - 10 - 20) / (item.Width + 10);
@@ -424,6 +430,7 @@ namespace HZH_Controls.Controls
                     }
                     intCount = Math.Max(intCount, ((IList)m_dataSource).Count);
                 }
+            }
 
             CellCount = intCount;
         }