我有 7 个文本框。如果 Top 1 文本框( Volume All Years)文本发生更改,则需要在接下来的 6 个输入框中更新文本(Latest 2009 Volume 到 Last 2014 Volume)。为此,我需要 javascript 或 Jquery。我将为前 1 个文本框编写 Js textchanged() 或 focuschange()。那么我应该在 focuschage() 或 textchanged methods() 中写什么
<tr id="row12_136" class="RegText">
<td style="width:420px;Padding-right:20px;">Volume All Years</td>
<td style="width:420px;Padding-left:0px;">
<input name="12_136" type="text" maxlength="255" id="12_136" tabindex="61" title="Volume All Years" class="textbox" OnKeyPress="javascript:FocusChange();" style="width:300px;" />
</td>
</tr><tr id="row12_60" class="RegText">
<td style="width:420px;Padding-right:20px;">Latest 2009 Volume*</td>
<td style="width:420px;Padding-left:0px;">
<input name="12_60" type="text" maxlength="255" id="12_60" tabindex="62" title="Latest 2009 Volume" class="textbox" OnKeyPress="javascript:FocusChange();" style="width:300px;" />
<span controltovalidate="12_60" errormessage="* Required!" display="Dynamic" validationGroup="ValidateInsert" id="_ctl47" evaluationfunction="RequiredFieldValidatorEvaluateIsValid" initialvalue="" style="color:Red;display:none;">* Required!</span>
</td>
</tr><tr id="row12_61" class="RegText">
<td style="width:420px;Padding-right:20px;">Latest 2010 Volume*</td>
<td style="width:420px;Padding-left:0px;">
<input name="12_61" type="text" maxlength="255" id="12_61" tabindex="63" title="Latest 2010 Volume" class="textbox" OnKeyPress="javascript:FocusChange();" style="width:300px;" />
<span controltovalidate="12_61" errormessage="* Required!" display="Dynamic" validationGroup="ValidateInsert" id="_ctl48" evaluationfunction="RequiredFieldValidatorEvaluateIsValid" initialvalue="" style="color:Red;display:none;">* Required!</span>
</td>
</tr><tr id="row12_62" class="RegText">
<td style="width:420px;Padding-right:20px;">Latest 2011 Volume*</td>
<td style="width:420px;Padding-left:0px;">
<input name="12_62" type="text" maxlength="255" id="12_62" tabindex="64" title="Latest 2011 Volume" class="textbox" OnKeyPress="javascript:FocusChange();" style="width:300px;" />
<span controltovalidate="12_62" errormessage="* Required!" display="Dynamic" validationGroup="ValidateInsert" id="_ctl49" evaluationfunction="RequiredFieldValidatorEvaluateIsValid" initialvalue="" style="color:Red;display:none;">* Required!</span>
</td>
</tr><tr id="row12_63" class="RegText">
<td style="width:420px;Padding-right:20px;">Latest 2012 Volume*</td>
<td style="width:420px;Padding-left:0px;">
<input name="12_63" type="text" maxlength="255" id="12_63" tabindex="65" title="Latest 2012 Volume" class="textbox" OnKeyPress="javascript:FocusChange();" style="width:300px;" />
<span controltovalidate="12_63" errormessage="* Required!" display="Dynamic" validationGroup="ValidateInsert" id="_ctl50" evaluationfunction="RequiredFieldValidatorEvaluateIsValid" initialvalue="" style="color:Red;display:none;">* Required!</span>
</td>
</tr><tr id="row12_64" class="RegText">
<td style="width:420px;Padding-right:20px;">Latest 2013 Volume*</td>
<td style="width:420px;Padding-left:0px;">
<input name="12_64" type="text" maxlength="255" id="12_64" tabindex="66" title="Latest 2013 Volume" class="textbox" OnKeyPress="javascript:FocusChange();" style="width:300px;" />
<span controltovalidate="12_64" errormessage="* Required!" display="Dynamic" validationGroup="ValidateInsert" id="_ctl51" evaluationfunction="RequiredFieldValidatorEvaluateIsValid" initialvalue="" style="color:Red;display:none;">* Required!</span>
</td>
</tr><tr id="row12_65" class="RegText">
<td style="width:420px;Padding-right:20px;">Latest 2014 Volume*</td>
<td style="width:420px;Padding-left:0px;">
<input name="12_65" type="text" maxlength="255" id="12_65" tabindex="67" title="Latest 2014 Volume" class="textbox" OnKeyPress="javascript:FocusChange();" style="width:300px;" />
<span controltovalidate="12_65" errormessage="* Required!" display="Dynamic" validationGroup="ValidateInsert" id="_ctl52" evaluationfunction="RequiredFieldValidatorEvaluateIsValid" initialvalue="" style="color:Red;display:none;">* Required!</span>
</td>