未选择第二个下拉值 [英] 2nd dropdown value not selected

问题描述

当我删除警报消息时未选择第二个下拉值

如果我在第一个下拉选择后使用javascript alert（），那么将选择值



我的问题是我使用了以下代码

2nd dropdown value not selected when I remove alert message
and if I use javascript alert() after first dropdown selection then value will be selected

My problem is that I have used following code

$.ajax({
              cache: false,
              type: "POST",
              url:Url.Action("controller","view")
           
              data: { QueryId": QueryID
              },
              success: function (data)
{
document.getElementById(ddlTableName).value = "sometext";
document.getElementById(ddlTableName).onchange();
FillColumnDropDown(document.getElementById(ddlTableName)); //fill 2 nd dropdown
alert("h");
document.getElementById("Select1").text ="MyText"
},
error: function (xhr, ajaxOptions, thrownError) {
alert('Failed to retrieve Master Values.');
}
});

我已经使用过jquery但问题仍未解决

I have already used jquery like but problem still not solved

$("#" + ddlCondition + " option[value='" + data[i].Condition + "']").attr("selected", "selected");

推荐答案

.ajax（{
cache： false ，
类型： POST，
url：Url。操作（ controller， < span class =code-string> view）

data：{QueryId ：QueryID
}，
成功：函数（数据）
{
document.getElementById（ddlTableName）.value = sometext ;
document.getElementById（ddlTableName）.onchange（）;
FillColumnDropDown（document.getElementById（ddlTableName））; //填写第二个下拉列表
alert（ h ）;
document .getElementById（ Select1 ）。text = MyText
}，
错误：function（xhr，ajaxOptions，thrownError）{
alert（'无法检索主值。 ）;
}
}）;

.ajax({ cache: false, type: "POST", url:Url.Action("controller","view") data: { QueryId": QueryID }, success: function (data) { document.getElementById(ddlTableName).value = "sometext"; document.getElementById(ddlTableName).onchange(); FillColumnDropDown(document.getElementById(ddlTableName)); //fill 2 nd dropdown alert("h"); document.getElementById("Select1").text ="MyText" }, error: function (xhr, ajaxOptions, thrownError) { alert('Failed to retrieve Master Values.'); } });

我已经使用过jquery但问题仍未解决

I have already used jquery like but problem still not solved

（ ＃ + ddlCondition + option [value =' + data [ i] .Condition + ']）。attr（ selected， selected ）;

("#" + ddlCondition + " option[value='" + data[i].Condition + "']").attr("selected", "selected");

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