C# 如何使用参数制作链接按钮onclick
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How to make a linkbutton onclick with parameters
提问by
HTML :
HTML :
<asp:LinkButton ID="lnk_productImage" runat="server" Text="select"
OnClick="viewProductImage('<%#DataBinder.Eval(Container.DataItem,"Id") %>')"
>
</asp:LinkButton>
CodeBehind:
代码隐藏：
protected void viewProductImage(object sender, EventArgs e, int id)
{
//Load Product Image
}
回答by Adeel
Use CommandArgument property of linkbutton to pass parameters.
使用链接按钮的 CommandArgument 属性传递参数。
CommandArgument property:
命令参数属性：
Gets or sets an optional argument passed to the Command event handler along with the associated command name property.
获取或设置与关联的命令名称属性一起传递给 Command 事件处理程序的可选参数。
回答by Waleed Eissa
I see you're using a repeater, so you probably could use this code:
我看到您正在使用中继器，因此您可能可以使用以下代码：
In your repeater template:
在您的中继器模板中：
<asp:Repeater ID="_postsRepeater" runat="server" OnItemCommand="_postsRepeater_ItemCommand">
<ItemTemplate><asp:LinkButton ID="_postDeleteLinkButton" runat="server" CommandName="DeletePost" CommandArgument="<%# ((Post)Container.DataItem).ID %>">Delete</asp:LinkButton></ItemTemplate>
</asp:Repeater>
Then handle the repeater's ItemCommand event:
然后处理repeater的ItemCommand事件：
protected void _postsRepeater_ItemCommand(object source, RepeaterCommandEventArgs e)
{
if (e.CommandName == "DeletePost") // Replace DeletePost with the name of your command
{
// Get the passed parameter from e.CommandArgument
// e.g. if passed an int use:
// int id = Convert.ToInt32(e.CommandArgument);
}
}
