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插件库/Lskj.Control/LabelComboxEdit.cs

@@ -18,6 +18,7 @@ using System.Windows.Forms;
 using DevExpress.XtraEditors;
 using DevExpress.XtraEditors.Controls;
 using Lskj.Control.Model;
+using Lskj.Business.Impl;
 
 namespace Lskj.Control
 {
@@ -51,12 +52,48 @@ namespace Lskj.Control
         /// </summary>
         /// <value>The label.</value>
         public Label Label { get { return lblText; } }
+        /// <summary>
+        /// The contro object
+        /// </summary>
+        public MyControl ControlObj;
+        /// <summary>
+        /// 数据源
+        /// </summary>
+        public string SourceSQL = string.Empty;
+        /// <summary>
+        /// 是否带参数
+        /// </summary>
+        public bool Isparameters = false;
+
 
         public LabelComboxEdit()
         {
             InitializeComponent();
+            // 绑定事件
+            txtEdit.QueryPopUp += TxtEdit_QueryPopUp;
+
         }
 
+        private void TxtEdit_QueryPopUp(object sender, CancelEventArgs e)
+        {
+            this.RefreshData();
+        }
+
+        public void RefreshData()
+        {
+            if (Isparameters && !string.IsNullOrWhiteSpace(this.SourceSQL) && this.ControlObj != null)
+            {
+                string oldValue = this.EditValue;
+
+                string sqlValue = this.ControlObj.ReplaceControlValue(this.SourceSQL);
+                sqlValue = sqlValue.Replace("#", "");
+                DataTable table = BaseImpl.GetDataTableResult(sqlValue);
+                this.SetDataSource(table, true);
+                this.EditText = oldValue;
+            }
+        }
+
+
 
         /// <summary>
         /// <para>说明：设置控件显示文本</para>
@@ -261,9 +298,25 @@ namespace Lskj.Control
         /// </summary>
         /// <param name="dataSource">数据源</param>
         public void SetDataSource(DataTable dataSource)
+        {
+            SetDataSource(dataSource, false);
+        }
+
+        /// <summary>
+        /// <para>说明：设置数据源</para>
+        /// </summary>
+        /// <param name="dataSource">数据源</param>
+        /// <param name="clearBeforeBind">绑定前是否清空原数据源</param>
+        public void SetDataSource(DataTable dataSource, bool clearBeforeBind)
         {
             try
             {
+                if (clearBeforeBind)
+                {
+                    ClearDataSource();
+                }
+                if (dataSource == null) return;
+
                 foreach (DataRow item in dataSource.Rows)
                 {
                     ComboBoxModel model = new ComboBoxModel
@@ -282,6 +335,17 @@ namespace Lskj.Control
             }
         }
 
+        /// <summary>
+        /// 清空下拉数据源和已选项，避免带参数下拉每次弹出重复追加。
+        /// </summary>
+        private void ClearDataSource()
+        {
+            this._sources.Clear();
+            this.txtEdit.SelectedItem = null;
+            this.txtEdit.EditValue = null;
+            this.txtEdit.Properties.Items.Clear();
+        }
+
         /// <summary>
         /// 背景颜色
         /// </summary>
@@ -347,4 +411,4 @@ namespace Lskj.Control
 
 
     }
-}
+}