组合框选择的索引事件没有给出一次点击输出

Question

我有一个窗体中有两个组合框和一个网格， 我已经在selectedindex上编写了过滤代码，改变了组合框的事件，SuggestAppend属性设置为组合框box.when我键入一个国家名称，例如印度和按输入选定的索引更改事件不会立即触发，当我点击某处，然后它的火灾，并给出输出。 请什么建议我do.Thanks提前

protected void cbCountry_SelectedIndexChanged(object sender, EventArgs e) 
     { 
      GetCondition(); 
      Fillgrid(); 
     } 

    public string GetCondition() 
      { 
       string Condition = ""; 
       if (cbEmployee.SelectedIndex > 0) 
       { 
        Condition = Condition + " And reg_no=" + cbEmployee.SelectedValue; 
       } 

       if (cbCountry.SelectedIndex > 0) 
       { 
        Condition = Condition + " And country='" + cbCountry.SelectedItem.Text + "'"; 
       } 
     return Condition; 
      } 

Answer 1

on the grid tag 

<Grid> 

try the following code 

    <ClientSettings AllowKeyboardNavigation="true" 
       KeyboardNavigationSettings-AllowSubmitOnEnter="true" 
       KeyboardNavigationSettings-AllowActiveRowCycle="true" 
       KeyboardNavigationSettings-CollapseDetailTableKey="LeftArrow" 
       KeyboardNavigationSettings-ExpandDetailTableKey="RightArrow"> 

      </ClientSettings> 




</Grid> 

这将确保您启用键盘导航在网格