Where can I put this Javascript that references a field that hasn't been built yet?
I have a piece of JavaScript that clears out a label (well, it sets its innertext value). The problem is, after I've clicked a button and the page posts back, the label doesn't exist when the Javascript launches. So, I get an error:
0x800a138f - JavaScript runtime error: Unable to set property 'innerText' of undefined or null reference
And the code in the debug window looks like this:
.
.
<body id="PageBody" bgcolor="lightgrey">
<script type = "text/javascript">
/* Stop, Clear and Pause the timer displayed under the pause buttons */
var h1 = document.getElementsByTagName('h1')[0],
start = document.getElementById('start'),
stop = document.getElementById('stop'),
clear = document.getElementById('clear'),
seconds = 0, minutes = 0, hours = 0,
t;
function add() {
seconds++;
if (seconds >= 60) {
seconds = 0;
minutes++;
if (minutes >= 60) {
minutes = 0;
hours++;
}
}
document.getElementById('Call_Tab_TabPanelCall_h1').innerText = (hours ? (hours > 9 ? hours : "0" + hours) : "00") + ":" + (minutes ? (minutes > 9 ? minutes : "0" + minutes) : "00") + ":" + (seconds > 9 ? seconds : "0" + seconds);;
timer();
}
function timer() {
t = setTimeout(add, 1000);
}
function stp() {
clearTimeout(t);
}
function clr() {
document.getElementById('Call_Tab_TabPanelCall_h1').innerText = "00:00:00";
seconds = 0; minutes = 0; hours = 0;
}
</script>
<form method="post" action="./MedIntakeMain.aspx" id="form1">
<div class="aspNetHidden">
<input type="hidden" name="ctl02_HiddenField" id="ctl02_HiddenField" value="" />
<input type="hidden" name="Call_Tab_ClientState" id="Call_Tab_ClientState" value="{"ActiveTabIndex":0,"TabEnabledState":[true,true],"TabWasLoadedOnceState":[true,false]}" />
<input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" />
<input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" />
<input type="hidden" name="__LASTFOCUS" id="__LASTFOCUS" value="" />
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="RjVZ3Yk2xhm0S2px2EOszBEPWcGuCaATHCAyCPqZnvYuxiZww87Uj/m3sD+rm8HuCWRNiR7LvmIj0s222pyv+X/0a6tXA291/FuXA3L1zhD/Eva5aqOMBz4ruGkw38kDfwncp3DCH5V72xeLdcNEJvXVhMPxjWoQobCh6w54FD1fh9DRX7qyS6FnA+WABTw7kC95AXVYhoFgPwejgy5tqibup9SlxsRMFgrV5eJWUYsItiK5kfOtQU/e51xPqAQ8o9qck4Me71GHRPgeHgvVN9OQzNQzwfzHw8llm5vojw+FjAFrXWNxH8IkIeWpoFbHdmjnW79tToS2AVxe5jREEpa5EAujOqBg1WHtBdzpQHaMl+O3661VMjv4sKjO4eGh8ZD/3QFRQ54Du2eWPRUhaUJyHLQMy+LYVc5kSv6C2G4WZgB2Lz/wWTbuwbOXtZXqf/1v2IXfLFWRHizKsZmKGvJFKATAn6bKl94A34aJDnEIjGZXLehHyHDF+MP8GaWmNUICIUR2zKduYsvWSWkPid6DLVg07TUU82IuCbu+lASGxftlwfqMrKrlEBlsBeMFPb+7UjW0mJYzZcP9zK/rs4Wrzk01JB8pgnfUeeYig8YB5bGmcg0htXfL5dNFNKvev2zXxxfl2mdgWn20YI3CNeuVf9xdKQpXiS4fuyL6pZoMxRPn0gpxQLZ1rifUCxIbEoEtelstN/n9Ia4wfFdFSskToPgcoRVzphgXAFymwOL+8tf9QFwpOh4lUEBmXK2tRVhD20LNAqFRz3zXIYM02Uz8E3TVL0v6J5ikaqAEDcq8i+AFMwEpaSxtjLVClrr00TIk+Q6J7I2NA3aRi536m61CsaS0r4GpqOggg5Z2127HlpNbW9qqUxSC/Ta7e3YjzM0fWn/QewCT6ad+S2qGXiYEb6LpxsW/yneXDHwUr/voJK2pOdMLABt2L4bL8vdcRiZNHf/vbSLGYGsq/aQUPU2bFO40Z9Lj38j6U6ZGH0npleew387C02cd4wPwpEaRrFgeUIMqsOImjFJ6q1ltf5CmHC3Sp+Y8Bw3PiRKIWMoQR0WuXGM5vX4rH1CrPyhu+bwoD0s0R6DRHMBmH+vevjBmN3mAtqVwK8XczRBqcyS+40YmwxBNbcpcl5wZqw+qimlCMH00T/iS+cptVjnaewsRw3JD1DduJML6n1FSTwZdCqWvhHIqBYqmpQSbOSwaifeaHoJ/Jwv3nX/zt8VzrmI1OBGzzJ5ZbuuqIIN+S+LCBbMYF5BSgS15BKK6REhIJ2s2Posf0KxlJMA2hiu3/lKl6pa08Z/DZUjdi4cK3+3y3f89huS5ToB6VWgi+0zL/2jTYH+VPZ3CorFUVwooqpmWhnL+K9n9lLjABdqnFWriSXUBwKWstC7k+iV9Eydh5Dq88TQiVbaVoOqlhsnIXX0vV+WIlSoKKgVUNqEhMfwAJl/qi6DheXm2K/9XJE29Rw+ViNneRu7dXJ7xSS2WmzfdmhWV0dhu90CvoE+mqh+AyHhgd8gz9qHzZrfr6qO0h8VIdNrcQO3QoZlAp5CEFnc4iT5uZ1XGGAd3R7CzWQxfve//d1VSKvZCPwZO6Hz6Q5isbnuPzFokqh7EfhWLs4j7Qlng95xmLGO5V68klMtXXesb/ICNVv93uh8lbgvRUBtljstvUHDqhjILA+QYbYiWufTTcs/EqShJcleNx4E1xF98UEp0alGYH6c+C2359jFYweAbzVmmurGhykALB3j9HUaJhOUu9GbwzP76U5FDoiJ6axdn65ds7YFyHoSxXUMsHreaxQDIbJYyS9sDNeABZSEqHpg29rxtC9A8LuGd28wNSCaAClUWpi8hXsUkVIkJw3d8oiiNVJj/Jhw+AqvCE42gIjt6IgkKCRZiPZhHGJMMSKdpNx66w/TaN4t0mMtXbSMg9hoka5A1EOWkpT8ZtjSqXVufUWovS84CUCrrqMLn82mxI14WppQwQNROejk7dL3J2QO+Uk0TjF23t+0r2+LTj+BCJnqBfML80L5oFMZvAikOBWGojSPMg/gjiDKsQp7an7xr9zcsLSkvCyyveLF7LFRZglO8629eQhdhgCItNZgB+KDSMVekT1qTED/iN7rP6xQDZhRiQshZDty1blJ7pfP1dNv/fonPAsP6QF5ykLmaVaoNQXesumVYn8N7LKMbpkTiVFbSt5TY6K8QBYrZjkMDjQRM6mab5K4Ore94jgqWP0rD3D3gGV3wPq6Fo+uWlh+nIApvtnc+cAX4L6yWI18cj+18sJxOdMyRzlScYr8ctGZBRrbHng8B3Y7vWty/FazTvYkoB+4BoGfF/DIqEVr1Ln818rQzpVHJxmJT2u+ckGBJP8xtI78mfovkry53rV5JFQ+IBBp7bTj6pRoa/IwKAZAaEHdKDlCSVSaGGHp8tEb+OFWvchzKFwQ24vYAq2yMFK6gBCAyyoFeCE1v9G0lZ+fTZra2j6tLl7S3ppULzA1CW7ue6v3072MaGi87tkxyGM4xrHJ8B+DJgVOG/zPWh6/QZK0DMXds8n1mvrIM/lk8jDdTa148YTMubio+yWFTFB/hlS7Uax/TUfCL/DkGarpIHFDDGIF1dk75HDsjFMVj6WMqGWzfQ0L0QbhRTTgeb+cQKZawmTXSH/mcoqPQB/+wi19Tqaex8za/9bhCBvzxljd6AmWQKvXNDYmoPj8G6CK4ulMt1UwnTaSIRsjlj3uZd6h6aAp74FUMglMG1L+R6Dv1fblwV09MY7xhtNXP5neiKlLw2snUFnuObFY0iziL9iY2tJc5whxj6CGD+4CAg+z0vlJh8zTT0IKmyw+FlL4X4zaxxobvDnCJDt6ThBvUddj5JlPDsGJFcxjim8A4Ijr/U0fBTWCoIPhwO1NDPqXIIMOnI5yoDE6Ows5MbGfgNUdm28r8zXjiM9AXZ765MOr3/33g/NyUxwjdNfeK+5tXvRh8AtKBWxpDbZjqJqsE+S4Zd3QFDlqiEhBV4RSmvbVgn2aup0scsuUCq8LcYK8xFSEmlYVJfkVQucEowG3d+iCBkIsLeQ7sGAxEAF9T+aaWML9e1SP395GVOP3jvvNLmjnHF5sti3K10ZL4u8m3KbCkhsB2xC19lJzqOxPjVx9niHUWO7mtq4EBk/GQgGi4drieHpiWkjrHeHqgR7m6F0u01g6GVarfDPdy00PXeduoVpN3saBUOWxKsHJ4nwG0ZPE5vruCnrJU6XAFCwj3aNV2sEkk/3hFV9BYE1gi8NTyTqSp8onRQ0lwLjwQo/QccJ4wiO8/erqw5vrZNQptFMRpcdfrF/Sdk3kd6qW8wHTdkDXtmzZ1dhUfoxuveC+HV9Xkz8LH+DrPlK6zwT8zTnJ52STm9AkxnHGLlBLlxfMYj1a0LQf91+N0d/rf0t7hY+zPwvgpH2K2gopa/g/j2BsX10h2rKzyw/Q/snK4qJD9Nvkenkm/xe7JjivtXnTVfTnq0ovj5hY8bPHKUQkiaAaNV5mFuLjDZ/K/5Yzzdjnk0D97mrpKBEmf3xQ0rniIDC1lheLeSw/E4G9+3+zMSSTrP/9fgT+yHXixIaMJF5f2/iQFCClOlt1cV1S9OJbvkQwNLiuE/urCpFgLN0WehOLoFmBqTU0vbRFmec/sDkNcjWNpV4xti90+jJlmNMlpeCeC3f+oVM4b8fnpEes9vLvPOhwODRCGOZVAq3F3n57qC7qj78GkiOe62BGciJUuoiqyt2hY+MUWXQXgIB/590UUjkfJrz7NWeNuz+HykweRSb+/pMx/k82QGKSQqWUgTVsyoOXK6uvZTLLBdz7ErQdpDSefGjzJUcXuBi69YiR6NewjoQL2oA90DYpthCyCw1iffLVhanGlWTE8+JfEX5UnFL1QnQqlBFxpMylBx97GtWZV2SwWBnlxMm+C4/h6D/Sa/Ooz7Fcw0sgwScbqtsrpZOQT0JzLX/0rcvusGpa7cd3CtD9xNmykqpxgoCMxVKWgEy5hMhqUU7CH+bPbbaazZSVcUMNzweLU0l7tylSEYgpCXC5RdcN6EVgRZJW6ei41CRoI8oA3sVT0MGWkZF2B/OAMCGazsuDEJH4c3E4UfVPKNY/z1Y5x3huS4F1zqOcYudC5vkOXN2iUuiqzvbNLOtRYViWCO7Ke53VUiYvIqTgbAcoldJOPOoxbCHyJDRTRIGvz61hO5aBKxTI7NuiaYCcXxAyAew2bHEURRFnQqarx82xDhwY6nQe40Re3xW9gOVhUBc8Opm9fkGCq36Alz3DVVCqT+5oNAyIlINIWmZsMteJWRGMaGClLeW6uIQs7ApbQHU15qTKMhSgY2IIGfQrg6lXoohXsBtetjTg4jA9mbRdnE7gAchaHvaBfOO9M8WNjuhWADp5/Cty085crXeKFa0lK5hHt65/i7KEeY0ab/xIneKMlkWeUHGfK72lVd/h4HqWyMB3dIxPZdieM4cyP8hTyA/GWswebKo6Xx1+pI+HFaIH6monbLI3uHxGhfSJYhTDqHX5MikiOlCbSayNsxh+jq9ZP0VLF3+owKM0oURZr2x4ToTdSq8ryLl6td4NahQE2gA6Drv4sBNRznalemHg+gTBuqhDrXXkHUQRQZefNTtQ0U6RYX9RJ642L2zslRSool9bU1iOMXRiyBb86ompwqeEA2EIWMLnwJQ13Uvc9D7JxxcygOcotxZrOjKRpG6/7L2nUba+J4rFTdq6SD8T4Yy2SCAJC8xscOUsZMXU463P7botX0alCyx3Pd/Hp61T4Yr8BYVjvnyuwYfhuzSQmq9l4iTgWLLHH67b1bF744HtOSGR0z47Qd/cQchKOUwGFOF636eSSiDyQosrwPCzr0ZqL5FuXejODrdeRmKTHdcadjAGswnXQonnk4mwri1cv3AZw6Zk3ReAdFMP8l18aSA6/87vIkyrIwhcz+HzMudV+F7yaOmHtSCANgWrGmMl04jXSxZaltgo33L1KpcoFes245JaIP14WihIydeFPxF65QiuArEGx5qXaRBDmK5HMUXNwwuBrnozCTOkNp2bW2YDH607WrGH8TXf1q0QSJf2O+YgbPa7s52wYLGPmSruLGoNDtgCuJSzTQDUXX1lF84iyY2TrbDjMKaIhrYt20HpC7zMGodyGoHXlgeti6MXz7gQPtwIPD5v8shtrW141Y6gcBPnksarCFZ8NP7bdjECBcJRxTolqEkS0IC1+l5q9+UND1EHslLPri9B15PtIgjs1C+wmGGLbsyr8UM/fBKUn40nUlI/cwK6gLBoBQEZiV4S5/CrQsXBfwLiLB63jsmvnRAST99PF2Yf/HJ/mK76VJ6rVHhdspYjhVODWuH+oybSZWZGz/g7VVW1wVOhN7bhbz0gZ3/dn0gDCZpyLJgbq9hfpC2ooTS28xftdRFar4dOCJjv7AyNwvHBuecRA1cX+KgNAQAjY9YqO4/I1ut87diLgagt5pwYgyocZ9X8r7NB10emFj2DAJFQTiYPOy/m2wirMRvspuM/RejJ39n0VeOwGtE7nTvrWEmEZGBkA3SNMFi6mDDx1bjpKK/Raso/xEeE8z53KqDb4ngfMfv7R064G18oiWojbGPw04a+uFg/8Jme2raAjvGSMIiJfTY+GJ78Z+bGyLsxssRIU+K1f7CKh+CLHjyGVbz7Smpf72bOdWjURI3VqZL2+umjaasA/e/UrKjItI+QVep9czpiqcy3AFS+G25js8tK7rwzy5n4qys+1LoBRAwG31yjw1yiJfULlQlgMkkidoCOyry8iK3snZnMjdCk19R0NOe6CPJBQUX4rXmpUsjMlYtgYxZ3gMK4ryIdVsRzeE7WwdWcrgcpkSpb+pdckqoBpkXVEMjw65jMK8QXkg7zHHmNK5+0VBAn2+kKZUgHygUjseMmrtNhbvR7QiqtMNC3s5PSx46aHNOhLr2ZAWvVTwtqB9LgpF5/j3IqtylRuiiIIkep4lniZtPzyUppCCBpac1SUBix1dTFTEPd0eE6/mGRa+oUtNul33QVH51MNWgb8f/c5f4AL0CITndEwj2QJiw4N5dqI3tcbmz8BguBwgY048/78tILvDKXWk2sMwpZkLjxxemkCpV93Ru0/K9nkLjzebxmE37VQtjO7QbkAgFdCz43JVkJxgc0q41nVi4FD2NKbvSe9Damze2UsxTuHyF8dwavsQSXWPEiKJdOA4eycQD6QnaPgTKBmGylfCpIRwYOkj8PL4WUNbc8sTnqh3IhVSE/BStN7jd6Perki6PtylnEANfTVTPZ0A8mJWHp24jXVN0mXLrf5o/7f9xqyRTsTw/XrFbcHyKBy/mtfCWblBMJH8FLibFzO4YzIUXvvwKm1CCo0ejvaeB1rsdPXAJHKjgQvbEOwzb3jRwLVWir/Kt/v7HpD5lp7Y5yAVDpPThdxqIzxsBnI2vJum1V0OvZmkMaC9o4ukrufpXHGjolvoDXXNq55b89a5RsV6TJ0wBhMlNWkHE16nKaAWp6O5SDS151mXTOlP5QDAWGQgSUpuk20eEIBMrmcWytxTXYs9QN2i5oT97LKlCDw3pBCVNLa7Nb7ISA0B0WMiPxP8yZ2fEcpstb/c18kgJ8sZzZadM6yT6rxQ1UTa0uZfP/+KUxGGjna8SAGxVxjZiCas44v+SIVf4h2xRZPfcbPvf6y0n3yCa3D8juxlH1miTX1odX3+bAV/ZHoA+i9ZpozhoVVNNupNrizwPEItvpgcRw6e/AUF2AOe92P6+zYDH86NLGEk2kmgiS0SHMvCgxQATDx/6elCkWo3Hael7nzlhuziG8V4AjrEx/1xQPqi1gccfAGEAIOUm+ORXcGczZesU0AjEIV0Af7bRBKJ2uAaCOsztEt6l/CgEzoJHBLEbx7YvFw+EmVIJn5leEfi1Ejf/UrxsdOhh2MPiza1zL6SWKRZw23MYGa5OzXmaS4CoaWnT3rSRG2rSXWbRrV7HvWJP7zRSfqmKtERHQLvfftSeFpjQ/T7RgAkKz+Dn0WxHSNAlt1L9M+ZYUz38mjOmpH5Bw4Ghue0BkKKtBfNM1UAwUNkRBQwD1o7KOqBQ/Ckmbyra//rEfEjPnTYt+kxcemGjxc2ELwvvkF8tVeJgo+AJIaAwwywk5Z2U93G2OfQKyB79AZaLe+p2u/kO8KQRdC2b1HmeQka7qwcoNdPbGz/RVXR9S/b9BsCSFqQanHCAzF3RC5bbVLYCyXu9R00pkXCiieurez0wIs/s8ARDgk/OLRz6QB1IGHKFZOjSPyUgL4mH9hO0LHEZPlx9XTvT2jlEIkLU8sPGPrcIcaGE4xx04cD/pxY5KZ956uYCwOiJ9rP9iaFcTc4a8WikT/x18bCYHCofPIMrho4LroY5iuNbnjqPRdEJYmbrhN8mHIaA6FgrCoJdj28Rd5jlPadgcnuyhVlurnz7KKJ/DE7XHS7TGBMhPmpKzhvuVoGEdf5Q/nZ+O8AdjKx895e/USZcxaVokAdk9rT24YcYyQKdKAXfB6tgz65kFdrBmAmpGIHXLOk3OmSe9HO2ToT1sgOvgvE/xXuywgxHzE5cFXYjMSXvtTL1n64basA7qgh2QNLx+8oGvtv+QM8MKoyQgNgaAKKuRc6WGGnpWcHg0yf59B9AkkUTulk2iD+QjyfqJsr66fNHI04rpCM+cuvLTwBQZITnOwZgEaVJvP9vq2b7lpcapGr0z3A3avTFwHZdFNn/8/D6Lu2n5QY750+JXLE+iJW2VpH4ABWfdU6OFb/K/robU01NP/P6N5aZumfIJIAiNHGBNXL1m2YFOTmiA94nU3L7IBcpqlsblrv2+jr/pq9bQaEwCr9y9rhIy77v3fLbB8hGWjW+7OC/ouWNpn726pqHtp/gfqCB6dKaTiraC84XIWa5UNU2fvGP+uIDGkamvmqyCrlwK507DOBEmsiPmCLY0kdQKQMj0yT6gUTduMziiuTex8CPmVbV//2H8G0JKhw0nPThdkk12AFojXHHEDGSK44YeKFPRo7+DsRdUosGRj7VmAfdBUKwfm5ODygi/nM9oK/wkDhg0pjJUCJBk3Xgz+8kERzjma79K17LAkjn6JNTTXzBp/Y7p7nSXo/n03k/0W08LQohxjs25h5niyajuDfFN5a5dKVpuoeateHNqeF9lHscXXmmDTCwY863Pq/QWCeCQtlPSdtlQvpx+B8JPQdxbgOlWrEdchldKEWk30y3GcuLJg1zZFPjon0tdwRrCdX8zTL363i9VngyrKMoYuGfvw1Sc+dRDwk9Z/MMKIMSZ5kNsVU75zhdlBsqKPiZQEVQOX+Y0OqjIyGUkAZ8yz5S4uPmqN25lyEVmls6/KnUn89ooFrNbmSgbbvZzyFlQVaOovwVxiWcSvKzh64Q7DRvfCXtSCV9Rve96S885wnTFv1Kug1MXaY+LvPvzsrdZAuAWgOtx8VFzW3D9jLpNw40Lm0MPjOAYGjaIsWIVcLoyxNVEt77th/9X75dOf/WJv0nA/Is5vYk3yW3RfJySXiGkgQV4w/DDcSxoPnaGCF7unWSPc295mjjR8k0JHC612AbjV4mMpWMn+3sfDzNiNFkaxMnLEQUxD2oCFdBY8t2tToZF7Qfwn6P812C4Y2KpIqiVLx+qHxIDJdKnxcXXX1kKHWmQ/6Nr6Lglxubj4ovP8Io4RFPWAuf1t4AkTruhK3VParlAEZLQSB1gofsHHFvrdc/HqOxtyD9PEF47vOQUX4gMa9VBi8G6I0Jw2VxJL8UTD0FUvO39kW5JyHgixvSkISc9NJGsR3Yh8gxUAmPxHh3ol+4pNoTIituWRew+RZvayRNk5Ym44F+qKdB3lRrszX0TXJiNJOWGmAnrq8zmB/skzGC5WjLVufDcx0AP7b/IubMq6d6ZMAf5MGsn2DC6ynvx9g0UYoc4Av9YRs1LnpLaR0a/ijRjvKlIljptN5atuFecYDlSnqqbqdd7r3O8BaLHFqsU7pa7ZgRBUelPqwkrtxPu7CdJDcwGl1lPk+z5/7xQIo4+2F4f3UHCDqRKARavD5Dne7dHzXtmagvmC3cA1nQwU+C/Yy7wPOFFPCMDs4WTg33or70tC0Tu5H5YlZqZGPZdACqkObw+LnreA3BqlN6QZX01/Cy61vqVAVkXk3b6koSLsNTPIN3w0ktKrcvNVbyis9Kw1ejyPZ6tWr/n52JBWIxsVn3mJR3reC9/F6EGIxcIFRjyfIhReBxXF2cmn8Hw5aHSnZQATjcS269NjLEi54MKSxCfuAfOkGXVR54l2ggtkrf92s2jY4vQVgA41TdwTrV/25gdRNJH2ExDxGN/9p/+cJ7l0OLB5zkg9j2A0+n8iqOskFpBhr+23tNmcp266nOYR15KMNRTX6FgvVTYiQVSrYWOQEhNLX4zgIij4xYkbphZkZMyC+1YBasiCzaQ4PEOXGz56y2sQ1Hsv73HsRRBaBPKHD2Hs9AOyKfqy2PnQm9FSGDxW+ZPdrTSpCX8bJcGB5sl9Mlnr9n3V2M94MZyqOu/6cUkHesB/HnyFr6/RVC1yoyNQx8iEuIEyZmp3V6GFTiHbCI9j8ErM0GhHYNJ1eFTXdZr6/Yy+yLgpZE6MfPi97H3WHM+WDvy47wys45uRvKA3BJdVsPgFyQXsOyvszWGtHFrrMgdrh05POQHUVHeMWRHG5+azuZD829uTCpWwsD4xdPNXBI13d20BHbc4ck0O/H0AaXnAk0Ia/OWmN0J01VeBqpV6ohA9FiEEdFFHbuGESVTu4DrEYQD8UeDoWquN0I4yYuiEf9+6EJ0UIZPVF/UIBKvfHyb9SmKL3Dwkx2hVH1LYneM/MFZMDBcD4vmecMYoVNoeO//tuqzFa4/aqcXGoPQ/dEanFOqs5wUI2MrEJ7iRKfXKXTdcRirCCh09KXCgEqZL3exJir2rRvM=" 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//]]>
</script>
<script src="/WebResource.axd?d=pynGkmcFUV13He1Qd6_TZKuxqzo1qNK0jLS5vOjXgYcG0yOhGAUyRMkYR1c88uLjzDmFYO_wTSY6btwoEa6chQ2&t=635803038500000000" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
stp();clr();timer();//]]>
</
It just stops right at the </, which I guess is where the HTML would start? It's that first line in function clr that gets highlighted. If I comment out the 2 lines in function clr, everything works fine.
These functions are called using this asp on the front end:
<asp:Button ID="CallStart_Btn" runat="server" AccessKey="S" OnClick="CallStart_Btn_Click" Text="SĖ˛tart" Width="112px" OnClientClick="this.disabled=true; stp(); clr(); timer();" UseSubmitBehavior="False" style="margin-left: 0px"/>
And then in the code-behind I've got 3 lines like this:
ScriptManager.RegisterClientScriptBlock(UpdatePanel4, this.GetType(), "stopscript", "stp();", true);
ScriptManager.RegisterClientScriptBlock(UpdatePanel4, this.GetType(), "clearscript", "clr();", true);
ScriptManager.RegisterClientScriptBlock(UpdatePanel4, this.GetType(), "timerscript", "timer();", true);
So, where can I put that JavaScript so it will get called after the label exists?
asked on Stack Overflow Jun 16, 2016 by 
Johnny Bones
Johnny Bones2 Answers
Use
ScriptManager.RegisterStartupScript
instead of
ScriptManager.RegisterClientScriptBlock
This will put function calls at the bottom of the page.
answered on Stack Overflow Jun 16, 2016 by 
Igor
IgorThere are a couple things at play.
You could disable/hide the button until after the label has been created (presuming some user action causes the label to appear, it could also cause the button to enable/appear).
You could add a check to each function to ensure the element exists. Something like:
function clr() {
var label = document.getElementById('Call_Tab_TabPanelCall_h1');
if(label){
label.innerText = "00:00:00";
}
seconds = 0; minutes = 0; hours = 0;
}
answered on Stack Overflow Jun 16, 2016 by 
Chris G
Chris GUser contributions licensed under CC BY-SA 3.0