关于“ASP.NET TextBox输入触发事件"的实现,解决方法五花八门,但最简单的就是以下这种方法。
//只需增加此代码即可实现
onkeyup='__doPostBack("ctl00$cph$TxtConpanyName","")'
ASPX CODE
<asp:UpdatePanel ID="uppCompany" runat="server">
<ContentTemplate>//为了防止刷新,给控件套上UpdatePanel,可要可不要
<asp:TextBox ID="TxtConpanyName" runat="server" AutoPostBack="true" OnTextChanged="TxtConpanyName_TextChanged"
onkeyup='__doPostBack("ctl00$cph$TxtConpanyName","")'></asp:TextBox>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="TxtConpanyName" />
</Triggers>
</asp:UpdatePanel>
ASPX.CS CODE
/// <summary>
/// 文本框内容改变查询
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void TxtConpanyName_TextChanged(object sender, EventArgs e)
{
//你需要处理的业务代码
this.TxtConpanyName.Focus();//每次触发后重新取得焦点
}