onserverclient doesn't work

Question

i have below which i append to a dynamic created gridview. i retrieve the data using json. my problem is i have append an input button with onserverclick event to call server-side function to it but it doesn't work.. how do make the onserverclick event work i dynamically created the gridview and button..please help..tq so much...

 

<script type="text/javascript">

$(document).ready(function () {

Ret_LectureData();

});

function Ret_LectureData() {

var lectID = document.getElementById("<%=txtnopkj.ClientID%>").value;

//alert(lectID);

$.ajax({

type: "POST",

contentType: "application/json; charset=utf-8",

url: "LData.ashx",

data: "{ 'lectID': '" + lectID + "' }",

dataType: "json",

success: function (result) {

$("#MainContent_gvLectureData").empty();

$("#MainContent_gvLectureData").append(

"<tr>"

+ "<th>NO.</th>"

+ "<th class='hiddencol'>sl_ss_id</th>"

+ "<th>SEMESTER</th>"

+ "<th>CODE</th>"

+ "<th>GROUP</th>"

+ "<th class='hiddencol'>sl_fr_id</th>"

+ "<th class='hiddencol'>sl_lect_id</th>"

+ "<th class='hiddencol'>sl_rep_id</th>"

+ "<th class='hiddencol'>sl_cou_bm</th>"

+ "<th>COURSE</th>"

+ "<th>STUDENT ENROLLED"

+ "<th>STUDENT EVALUATED</th>"

+ "<th class='hiddencol'>sl_total</th>"

+ "<th>SCORE (%)</th>"

+ "<th class='hiddencol'>sl_datecreate</th>"

+ "<th></th>"

+ "</tr>");

//alert(result[0].sl_id );

for (var i = 0; i < result.length; i++) {

j = i + 1;

$("#MainContent_gvLectureData").append(

"<tr><td>"

+ j + "</td><td class='hiddencol'class='hiddencol'>"

+ result[i].sl_ss_id + "</td><td>"

+ result[i].sl_term_id + "</td><td>"

+ result[i].sl_cou_id + "</td><td>"

+ result[i].sl_group_id + "</td><td class='hiddencol'>"

+ result[i].sl_fr_id + "</td><td class='hiddencol'>"

+ result[i].sl_lect_id + "</td><td class='hiddencol'>"

+ result[i].sl_rep_id + "</td><td class='hiddencol'>"

+ result[i].sl_cou_bm + "</td><td>"

+ result[i].sl_cou_bi + "</td><td>"

+ result[i].sl_enrolled + "</td><td>"

+ result[i].sl_evaluated + "</td><td class='hiddencol'>"

+ result[i].sl_total + "</td><td>"

+ result[i].sl_percentage + "</td><td class='hiddencol'>"

+ result[i].sl_datecreate + "</td>"

+ "<td></a><input id='btnComment' type='button' class='btnComment' value='Comment' onserverclick='Button1_ServerClick'/><img alt='' class='auto-style3' src='../Images/action_edit.png' onclick='' /></td>"

+ "</tr>");

}

},

error: function (result) {

alert("Error");

}

});

}

</script>