asp.net后台获取按钮绑定的值CommandArgument

<asp:LinkButton runat="server" ID="resumelbtn" CommandArgument='<%# Eval("ResumeSource")%>' Text="downloadR" OnClick="downLoadResume">asp:LinkButton>

 

 

public void downLoadResume(object sender, EventArgs e)

 

        {

            string resumeId = (((LinkButton) sender).CommandArgument.ToString());

        }