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[英]How to populate a dropdown list by selecting the value from another dropdown list?
[英]how to get value in textboxes selecting dropdown list value?
嗨,我想在下拉框中選擇的文本框中顯示值。 假設我選擇了sql,我得到了jdbc:mysql:// localhost / lportal? 我想要的這種類型的代碼
<form>
<table>
<tr>
<td>Database Type</td>
</tr>
<tr>
<td><select name="Database Type" onclick="fillData()" id="sel_value">
<option value="DB2">DB2</option>
<option value="Derby">Derby</option>
<option value="Hypersonic">Hypersonic</option>
<option value="Ingres">Ingres</option>
<option value="MySQL">MySQL</option>
<option value="Oracle">Oracle</option>
<option value="P6Spy">P6Spy</option>
<option value="PostgreSQL">PostgreSQL</option>
<option value="SQL Server">SQL Server</option>
<option value="Sybase">Sybase</option>
</select>
</tr>
<tr>
<td>JDBC URL(required)</td>
</tr>
<tr>
<td><input type="text" name="jdbcUrl" style="width: 550px;" id="jdbcUrl"></td>
</tr>
<tr>
<td>JDBC Driver Class Name(Required)</td>
</tr>
<tr>
<td><input type="text" name="text" style="width: 550px;"></td>
</tr>
<tr>
<td>username</td>
</tr>
<tr>
<td><input type="text" name="text" style="width: 550px;"></td>
</tr>
<tr>
<td>password</td>
</tr>
<tr>
<td><input type="password" name="text" style="width: 550px;"></td>
</tr>
</table>
</form>
將onclick替換為onchange。 在這里嘗試這段代碼:
<select name="Database Type" onchange="fillData()" id="sel_value">
<option value="DB2">DB2</option>
<option value="Derby">Derby</option>
<option value="Hypersonic">Hypersonic</option>
<option value="Ingres">Ingres</option>
<option value="MySQL">MySQL</option>
<option value="Oracle">Oracle</option>
<option value="P6Spy">P6Spy</option>
<option value="PostgreSQL">PostgreSQL</option>
<option value="SQL Server">SQL Server</option>
<option value="Sybase">Sybase</option>
</select>
Javascript:
function fillData(){
alert($('#sel_value').val());
}
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