在Repeater控件访问文本框 [英] Accessing Textboxes in Repeater Control

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本文介绍了在Repeater控件访问文本框的处理方法,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

我能想到做到的所有方面,这显得非常的hackish。什么是做正确的方式,或者至少是最常见?

我检索从LINQ到SQL查询一组图像和数据绑定它和其他一些数据转发器。我需要一个文本框添加到中继器的每个项目,这将让用户改变每个图像的标题,很相似到Flickr。

如何访问文本框的Repeater控件,并知道哪些形象文本框是属于?

下面是中继器控制会是什么样子,有一个提交按钮,这将更新所有的图像行LINQ到SQL:

编辑:

这code工作

只要确保你不要被绑定之外吹你的价值观的路程,如果(!Page.IsPostBack)像我..哎呀。

 < ASP:直放站ID =Repeater1=服务器>
    <&ItemTemplate中GT;
        < D​​IV CLASS =itemBox>
            < D​​IV CLASS =imgclass>
                <标题='<%#的eval(姓名)%>' HREF ='<%#的eval(路径)%GT;'相对=画廊>
                    < IMG ALT ='<%#的eval(姓名)%>' SRC ='<%#的eval(路径)%GT;' WIDTH =260/>
                &所述; / A>
            < / DIV>
            < ASP:文本框ID =TextBox1的WIDTH =230px=服务器>< / ASP:文本框>
        < / DIV>
    < / ItemTemplate中>
< / ASP:直放站>

和提交点击:

 保护无效的button1_Click(对象发件人,EventArgs的发送)
{
    的foreach(在Repeater1.Items的RepeaterItem项)
    {
        文本框txtName的=(文本框)item.FindControl(TextBox1中);
        如果(txtName的!= NULL)
        {
            字符串VAL = txtName.Text;
            //做一些VAL
        }
    }
}


解决方案

您是否尝试过类似下面的按钮点击: -

 的foreach(在Repeater1.Items的RepeaterItem项)
{
      文本框txtName的=(文本框)item.FindControl(改为txtName);
      如果(txtName的!= NULL)
      {
      //做一些txtName.Text
      }
      图片IMG =(图)item.FindControl(图);
      如果(IMG!= NULL)
      {
      //做一些IMG
      }
}

/ *如果txtName的和IMG是文本框的ID和图像中的中继器分别控制。* /

希望这有助于。

All the ways I can think to do this seem very hackish. What is the right way to do this, or at least most common?

I am retrieving a set of images from a LINQ-to-SQL query and databinding it and some other data to a repeater. I need to add a textbox to each item in the repeater that will let the user change the title of each image, very similar to Flickr.

How do I access the textboxes in the repeater control and know which image that textbox belongs to?

Here is what the repeater control would look like, with a submit button which would update all the image rows in Linq-to-SQL:

Edit:

This code works

Just make sure you don't blow your values away by Binding outside of if(!Page.IsPostBack) like me.. Oops.

<asp:Repeater ID="Repeater1" runat="server">
    <ItemTemplate>
        <div class="itemBox">
            <div class="imgclass">
                <a title='<%# Eval("Name") %>' href='<%# Eval("Path") %>' rel="gallery">
                    <img alt='<%# Eval("Name") %>' src='<%# Eval("Path") %>' width="260" />
                </a>
            </div>
            <asp:TextBox ID="TextBox1" Width="230px" runat="server"></asp:TextBox>
        </div>
    </ItemTemplate>
</asp:Repeater>

And Submit Click:

protected void Button1_Click(object sender, EventArgs e)
{
    foreach (RepeaterItem item in Repeater1.Items)
    {
        TextBox txtName = (TextBox)item.FindControl("TextBox1");
        if (txtName != null)
        {
            string val = txtName.Text;
            //do something with val
        }
    }
}

解决方案

Have you tried something like following on the button click:-

foreach (RepeaterItem item in Repeater1.Items)
{
      TextBox txtName= (TextBox)item.FindControl("txtName");
      if(txtName!=null)
      {
      //do something with txtName.Text
      }
      Image img= (Image)item.FindControl("Img");
      if(img!=null)
      {
      //do something with img
      }
}

/* Where txtName and Img are the Ids of the textbox and the image controls respectively in the repeater.*/

Hope this helps.

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