单击按钮从数据列表中获取数据键值和标签文本？

var button = sender as Button;

if (button == null) return;

var dataListItem = button.NamingContainer as DataListItem;

if (dataListItem == null) return;

var currentKey = DataList1.DataKeys[dataListItem.ItemIndex];

var myLabel = button.Parent.Controls.Cast<Control>().FirstOrDefault(x => x.ID == \"testLabel\") as Label;

if (myLabel == null) return;

var myLabelText = myLabel.Text;

ImageButton/LinkButton

Data Key

CommandArgument

<asp:ImageButton ID=\"ibtn\" runat=\"server\" CommandArgument=\'<%# Eval(\"DataKeyName\")%>\'
 ImageUrl=\"~/Images/edit.png\"></asp:ImageButton>