c# asp.net DropDownList控件怎么用

2025-05-22 21:28:12
推荐回答(4个)
回答(1):




    
    
    
        function checkSelect(vale) {
            var sel = document.getElementById("month");
            var op = document.createElement("option");
            if (vale == "" || vale == null) {
                $("#month").empty();
                $("#month").append("请选择月份123"
                        + "56"
                        + "710"
                        + "1112");
            }
            if (vale != "" && vale == "1") {
                $("#month").empty();
                $("#month").append("请选择月份123");
            }
            if (vale != "" && vale == "2") {
                $("#month").empty();
                $("#month").append("请选择月份56");
            }
            if (vale != "" && vale == "3") {
                $("#month").empty();
                $("#month").append("请选择月份79");
            }
            if (vale != "" && vale == "4") {
                $("#month").empty();
                $("#month").append("请选择月份 101112");
            }
        }
    
 


    
        
            
                
                    
                    
                
            
        

                        统计时间:
                    

                        
                            请选择季度
                            1
                            2
                            3
                            4
                        
                        
                            请选择月份
                            1
                            2
                            3
                            4
                            5
                            6
                            7
                            8
                            9
                            10
                            11
                            12
                        
                    

    


 是要这种效果吗?

回答(2):

dropdownlist绑定数据都没明白的话,你的需求里面还有级联,有点难为你了

回答(3):

不推荐用asp控件。推荐使用select+脚本实现。

回答(4):

添加DropDownList的SelectedChanging事件,去事件中处理

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