不触发文本框更改事件.冷杉文本框如何更改事件

本文介绍了不触发文本框更改事件.冷杉文本框如何更改事件的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

tb1.ID = "txt" + k; tb1.TextChanged += new EventHandler(tb1_TextChanged); protected void tb1_TextChanged(object sender, EventArgs e) { string tbvalue1 = string.Empty; string tbvalue2 = string.Empty; }

推荐答案

将文本框的AutoPostBack属性设置为true. 使用这个: Hi, Set the AutoPostBack property of textbox to true. Use this: protected void tb1_TextChanged(object sender, EventArgs e) { TextBox tb1 = new TextBox(); tb1.ID = "txt0"; tb1.AutoPostBack = true; tb1.TextChanged += new EventHandler(tb1_TextChanged); t1.Visible = false; } //Make your textbox visible true in some event. //you need to find your control first protected someEvents(object sender, EventArgs e) { TextBox t1=(TextBox)Page.FindControl("txt0") t1.Visible = true; } protected void tb1_TextChanged(object sender, EventArgs e) { string tbvalue1 = string.Empty; string tbvalue2 = string.Empty; }

--Amit

--Amit

TextBox tb1 = new TextBox(); tb1.ID ="txt0"; tb1.AutoPostBack = true; TextBox tb1 = new TextBox(); tb1.ID = "txt0"; tb1.AutoPostBack = true;