如何隐藏和显示的asp:按钮从code asp.net的背后? [英] How to hide and display asp:buttons in asp.net from code behind?
问题描述
我工作的asp.net web应用程序。
在一个页面中,我有两个ASP按钮。
我想在一个条件,以显示他们,否则我不想显示它们。
所以我试图做同样的这个样子。但它不工作。
我无法找到它背后的原因。请告诉我在哪里的问题。
要隐藏按钮
如果(!的IsPostBack)
{
ButtonReplaceId.Style.Add(显示,无);
ButtonAssociateRules.Style.Add(显示,无);
}
要显示的按钮
保护无效ApplyAssociation(对象发件人,EventArgs的发送)
{
//有些片code的
如果(A == 0)
{
ButtonAssociateRules.Style.Add(显示,块);
ButtonReplaceId.Style.Add(显示,块);
}}
对于ASPX按钮
< DIV的风格=填充左:400像素;>
< ASP:按钮的ID =ButtonAssociateRules=服务器的OnClick =AssociateMultipleRulesButtonClick
的CssClass =search_button_in_vm_intersection文本=关联多个规则
的OnClientClick =返回OnClientClickAssociateRewardRuleFile(); /> < ASP:按钮的ID =ButtonReplaceId=服务器的OnClick =ApplyReplaceIfRuleIntersects
的CssClass =search_button_in_vm_intersection文本=替换previous规则
的OnClientClick =返回OnClientClickReplaceRewardRuleFile(); /> < / DIV>
按钮的ASPX的OnClick事件ApplyAssociation()
< ASP:的UpdatePanel =服务器的UpdateMode =条件>
<&触发器GT;
< ASP:AsyncPostBackTrigger控件ID =Button1的事件名称=点击/>
< /触发器>
<&的ContentTemplate GT;
< ASP:表=服务器的CssClass =rule_file_whole边框宽度=0样式=填充顶:30PX;>
< ASP:的TableRow ID =MerchantRowAssociationHorizontalAlign =中心>
< ASP:TableCell的>
< DIV的风格=文本对齐:中心>
< ASP:按钮的ID =AssociationMerchant文本=应用协会=服务器的OnClick =ApplyAssociation
的CssClass =search_button_in_vm_associate1的OnClientClick =返回checkValidation()/>
< / DIV>
< / ASP:TableCell的>
< / ASP:&的TableRow GT;
< / ASP:表>
< /&的ContentTemplate GT;
< / ASP:的UpdatePanel>
看到你使用的是有条件的更新面板,你可以把一个更新面板内的按钮后,无论是尝试这些。
保护无效ApplyAssociation(对象发件人,EventArgs的发送)
{
//有些片code的
如果(A == 0)
{
ButtonAssociateRules.Style [知名度] =隐藏;
ButtonReplaceId.Style [知名度] =隐藏;
myUpdatePanel.Update();
}
}
保护无效ApplyAssociation(对象发件人,EventArgs的发送)
{
//有些片code的
如果(A == 0)
{
ButtonAssociateRules.Visible = FALSE;
ButtonReplaceId.Visible = FALSE;
myUpdatePanel.Update();
}
}
下面是一个更新面板内的按钮的例子。
< ASP:的UpdatePanel ID =myUpdatePanel=服务器的UpdateMode =条件>
<&的ContentTemplate GT;
< DIV的风格=填充左:400像素;>
< ASP:按钮的ID =ButtonAssociateRules=服务器的OnClick =AssociateMultipleRulesButtonClick
的CssClass =search_button_in_vm_intersection文本=关联多个规则
的OnClientClick =返回OnClientClickAssociateRewardRuleFile(); />
< ASP:按钮的ID =ButtonReplaceId=服务器的OnClick =ApplyReplaceIfRuleIntersects
的CssClass =search_button_in_vm_intersection文本=替换previous规则
的OnClientClick =返回OnClientClickReplaceRewardRuleFile(); />
< / DIV>
< /&的ContentTemplate GT;
< / ASP:的UpdatePanel>
I am working on asp.net web application. In one Page I have two asp buttons. I want to display them in one condition otherwise I don't want to display them. So I'm trying to do the same like this. But Its not working. I can't find the reason behind it. Please tell me where is the issue.
To Hide Buttons
if (!IsPostBack)
{
ButtonReplaceId.Style.Add("display", "none");
ButtonAssociateRules.Style.Add("display", "none");
}
To display buttons
protected void ApplyAssociation(object sender, EventArgs e)
{
//Some piece of code
if(a==0)
{
ButtonAssociateRules.Style.Add("display", "block");
ButtonReplaceId.Style.Add("display", "block");
}
}
aspx for buttons
<div style ="padding-left:400px;">
<asp:Button ID="ButtonAssociateRules" runat="server" OnClick="AssociateMultipleRulesButtonClick"
CssClass="search_button_in_vm_intersection" Text="Associate Multiple Rules"
OnClientClick="return OnClientClickAssociateRewardRuleFile();" />
<asp:Button ID="ButtonReplaceId" runat="server" OnClick="ApplyReplaceIfRuleIntersects"
CssClass="search_button_in_vm_intersection" Text="Replace Previous Rules"
OnClientClick="return OnClientClickReplaceRewardRuleFile();" />
</div>
aspx of button for OnClick event ApplyAssociation()
<asp:UpdatePanel runat="server" UpdateMode="Conditional">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click" />
</Triggers>
<ContentTemplate>
<asp:Table runat="server" CssClass="rule_file_whole" BorderWidth="0" Style="padding-top: 30px;">
<asp:TableRow ID="MerchantRowAssociation" HorizontalAlign="Center">
<asp:TableCell>
<div style="text-align: center">
<asp:Button ID="AssociationMerchant" Text="Apply Association" runat="server" OnClick="ApplyAssociation"
CssClass="search_button_in_vm_associate1 " OnClientClick="return checkValidation()" />
</div>
</asp:TableCell>
</asp:TableRow>
</asp:Table>
</ContentTemplate>
</asp:UpdatePanel>
Seeing as you are using a conditional update panel, you can try either of these after putting the buttons inside an update panel.
protected void ApplyAssociation(object sender, EventArgs e)
{
//Some piece of code
if (a == 0)
{
ButtonAssociateRules.Style["visibility"] = "hidden";
ButtonReplaceId.Style["visibility"] = "hidden";
myUpdatePanel.Update();
}
}
protected void ApplyAssociation(object sender, EventArgs e)
{
//Some piece of code
if (a == 0)
{
ButtonAssociateRules.Visible = false;
ButtonReplaceId.Visible = false;
myUpdatePanel.Update();
}
}
Here's an example of your buttons inside an update panel.
<asp:UpdatePanel ID="myUpdatePanel" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<div style="padding-left:400px;">
<asp:Button ID="ButtonAssociateRules" runat="server" OnClick="AssociateMultipleRulesButtonClick"
CssClass="search_button_in_vm_intersection" Text="Associate Multiple Rules"
OnClientClick="return OnClientClickAssociateRewardRuleFile();" />
<asp:Button ID="ButtonReplaceId" runat="server" OnClick="ApplyReplaceIfRuleIntersects"
CssClass="search_button_in_vm_intersection" Text="Replace Previous Rules"
OnClientClick="return OnClientClickReplaceRewardRuleFile();" />
</div>
</ContentTemplate>
</asp:UpdatePanel>
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