比如如下代码,我要怎么样在后台中遍历TEXTBOX的值,我弄了好久都没弄好
大家帮忙整哈看看,感激不尽
<asp:DataList ID="DataList1" runat="server" DataKeyField="ID" Height="553px" Width="667px">
<ItemTemplate>
<asp:TextBox ID="Tanswer" runat="server" Text='<%# Eval("answercontent") %>' ></asp:TextBox>
</ItemTemplate>
</asp:DataList>
大家帮忙整哈看看,感激不尽
<asp:DataList ID="DataList1" runat="server" DataKeyField="ID" Height="553px" Width="667px">
<ItemTemplate>
<asp:TextBox ID="Tanswer" runat="server" Text='<%# Eval("answercontent") %>' ></asp:TextBox>
</ItemTemplate>
</asp:DataList>
{
foreach(DataListItem d in DataList1.Items)
{
TextBox t = (TextBox)dgi.FindControl("Tanswer");
if(t != null)
{
// t.Text得到文本框的值
//DataList1.DataKeys[d.ItemIndex].ToString() 得到当前行主键值,记得最好提前设置好DataList的DataKeyField
}
}
}
主键值到是能够得到,不明白是怎么回事,麻烦再帮哈我!!
<ItemTemplate>
<asp:TextBox ID="Tanswer" runat="server" Text='<%# Eval("answercontent") %>' Height="64px" TextMode="MultiLine" Width="511px"></asp:TextBox
</ItemTemplate>
后台部分代码:
foreach (DataListItem d in DataList1.Items)
{
TextBox t = (TextBox)d.FindControl("Tanswer");
if (t != null)
{
Response.Write(t.Text);//得出结果全部是"System.Web.UI.WebControls.TextBox"
Response.Write(DataList1.DataKeys[d.ItemIndex].ToString());//能得出正确的值
}
}
<form id="Form1" method="post" runat="server">
<asp:Button id="Button1" runat="server" Text="Button"></asp:Button>
<asp:datalist id="DataList1" runat="server" DataKeyField="au_id">
<ItemTemplate>
au_id:
<asp:TextBox id="Tanswer" Text='<%# DataBinder.Eval(Container.DataItem, "au_id")%>' runat="server">
</asp:TextBox><BR>
</ItemTemplate>
</asp:datalist></form>//aspx.cs
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.DataList DataList1; private void BindList()
{
SqlConnection cn = new SqlConnection("server=.;uid=sa;pwd=sa;database=pubs");
SqlDataAdapter da = new SqlDataAdapter("select * from authors", cn);
DataSet ds = new DataSet();
cn.Open();
da.Fill(ds);
cn.Close();
DataList1.DataSource = ds;
DataList1.DataBind(); } private void Page_Load(object sender, System.EventArgs e)
{
if(!IsPostBack)
{
BindList();
}
} #region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
InitializeComponent();
base.OnInit(e);
}
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void Button1_Click(object sender, System.EventArgs e)
{
foreach (DataListItem d in DataList1.Items)
{
TextBox t = (TextBox)d.FindControl("Tanswer");
if (t != null)
{
Response.Write(t.Text);//得出结果全部是"System.Web.UI.WebControls.TextBox"
Response.Write(DataList1.DataKeys[d.ItemIndex].ToString());//能得出正确的值
Response.Write("<br />");
}
} }
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代表胡锦涛叔叔感谢!!!