[英]How can i pass my imagebutton values to c# function
我保留了一个名为id的变量,它保留了来自db的值(id = row[3].ToString();)
然后,我将类yildiz的id分配给“ id”,然后尝试传递c#函数,但我做不到。
在点击事件中,id的值为“ id”(我尝试的代码为( string id = objImage.UniqueID; objImage.ID
)),但实际上它必须为诸如“ 26”,该值来自db,但它确实不。
实际上我在c#端处理数据时遇到问题。 我也尝试过指挥官论点,但我做不到,有什么办法可以解决问题? 谢谢..
id = row[3].ToString();
%>
<div class="sag-re">-
<div class="sag-re-baslik" runat="server"><asp:HyperLink ID=baslik runat="server">HyperLink</asp:HyperLink></div>
<!--<div class="sag-re-resim"><img src="images/rss-image.jpg" width="120" height="120" /></div>-->
<div class="sag-re-icerik" id = icerik runat="server">Lorem ipsum dolor sit amet, , arcu nec viverra mollis, turpis neque feugiat massa, non dapibus neque nunc ac orci. </div>
<div class="oy-verme">
<!-- <body onload="getDivs()"> -->
<!-- <input type="image"
src="images/yildiz.png"
ID="ImgButton"
runat="server" OnServerClick="ImgButton_ServerClick" />-->
<% for (j = i * 5 + 1; j < (i *5)+6; j++)
{
//Imageid = "Img" + j;
%>
<div class="yildiz"><asp:ImageButton ID= id runat="server" Height="19px"
ImageUrl="~/images/yildiz.png" OnClick="ImageButton2_Click" Width="20px"
style="position: relative; top: 13px; left:6px; float:left; " /></div>
<% } %>
是C#面
protected void ImageButton2_Click(object sender, ImageClickEventArgs e)
{
ImageButton objImage = (ImageButton)sender;
string id = objImage.UniqueID;
/* if (e.CommandName == "Comment")
{
string[] commandArgs = e.CommandArgument.ToString().Split(new char[] { ',' });
string scrapid = commandArgs[0];
string uid = commandArgs[1];
} */
// string s= Imageid.UniqueID.ToString();
//this.baslik2.Text = s;
}
您正在设置ID = id,这就是为什么我认为您将其读回为字符串“ id”的原因...我认为您实际想要做的是这样设置它:
ID = <%= id%>
编辑:
是的,在这种情况下,它无法正常运行...
我将其重新整理为以下内容:
<asp:Panel id="test" class="yildiz" runat="server"></asp:Panel>
和page_load:
protected void Page_Load(object sender, EventArgs e)
{
var i = 2;
var id = 2;
for (var j = i * 5 + 1; j < (i *5)+6; j++)
{
var imagebutton = new ImageButton();
imagebutton.ID = id.ToString( );
imagebutton.ImageUrl = "https://www.google.com/logos/2012/juan_gris-2012-hp.jpg";
imagebutton.Style.Add("position","relative");
imagebutton.Style.Add("top","13px");
imagebutton.Style.Add("left","6px");
imagebutton.Style.Add("float","left");
test.Controls.Add(imagebutton);
}
}
但是,有此错误:
找到多个具有相同ID“ 2”的控件。 FindControl要求控件具有唯一的ID。
但是,它将起作用:
protected void Page_Load(object sender, EventArgs e)
{
var i = 2;
var id = 2;
for (var j = i * 5 + 1; j < (i *5)+6; j++)
{
var imagebutton = new ImageButton();
imagebutton.Attributes.Add("custom-id", id.ToString( ));
imagebutton.ImageUrl = "https://www.google.com/logos/2012/juan_gris-2012-hp.jpg";
imagebutton.Style.Add("position","relative");
imagebutton.Style.Add("top","13px");
imagebutton.Style.Add("left","6px");
imagebutton.Style.Add("float","left");
imagebutton.Click += new ImageClickEventHandler(imagebutton_Click);
test.Controls.Add(imagebutton);
}
}
void imagebutton_Click(object sender, ImageClickEventArgs e)
{
ImageButton objImage = (ImageButton)sender;
objImage.Attributes["custom-id"];
}
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