在一个Datalist中绑定了几个控件~~如下:
<asp:TextBox ID="msgtit" runat="server""></asp:TextBox>
<asp:HiddenField ID="suser" Value=<%#Eval("usersign") %> runat="server" />
<asp:TextBox ID="msgbodyuse" runat="server" TextMode="MultiLine"ValidationGroup="Button1"></asp:TextBox>
<asp:Button ID="Button8" runat="server" OnClick="Button8_Click" Text="Button" ValidationGroup="Button1" />在后台代码获取代码如下:protected void Button8_Click(object sender, EventArgs e)
{
foreach (DataListItem d2 in DataList1.Items)
{
TextBox Rmsgtit = (TextBox)d2.FindControl("msgtit");
TextBox Rmsgbodyuse = (TextBox)d2.FindControl("msgbodyuse");
HiddenField Rsuser = (HiddenField)d2.FindControl("suser");
Response.Write(Rmsgtit.Text); //为什么我填了却还是空值?
Response.Write(Rmsgbosyuse.Text); //为什么我填了却还是空值?
}
}
如果 在控件中,比如 msgtit 加上默认值,就可以打印出来默认值,但是我在运行时如果修改默认值,则打印出来的还是默认值???不知道有没有高手可以解决~~~
<asp:TextBox ID="msgtit" runat="server""></asp:TextBox>
<asp:HiddenField ID="suser" Value=<%#Eval("usersign") %> runat="server" />
<asp:TextBox ID="msgbodyuse" runat="server" TextMode="MultiLine"ValidationGroup="Button1"></asp:TextBox>
<asp:Button ID="Button8" runat="server" OnClick="Button8_Click" Text="Button" ValidationGroup="Button1" />在后台代码获取代码如下:protected void Button8_Click(object sender, EventArgs e)
{
foreach (DataListItem d2 in DataList1.Items)
{
TextBox Rmsgtit = (TextBox)d2.FindControl("msgtit");
TextBox Rmsgbodyuse = (TextBox)d2.FindControl("msgbodyuse");
HiddenField Rsuser = (HiddenField)d2.FindControl("suser");
Response.Write(Rmsgtit.Text); //为什么我填了却还是空值?
Response.Write(Rmsgbosyuse.Text); //为什么我填了却还是空值?
}
}
如果 在控件中,比如 msgtit 加上默认值,就可以打印出来默认值,但是我在运行时如果修改默认值,则打印出来的还是默认值???不知道有没有高手可以解决~~~
MyDataList.DataSource = GetMyDataSource();
MyDataList.DataBind();
}
“先确保你是在Edit之后提交的,如果不是Edit模式下的,提交的都是初始化的值 ”
能具体点吗?
Protected Sub Repeater1_ItemCommand(ByVal source As Object, ByVal e As System.Web.UI.WebControls.RepeaterCommandEventArgs)
Dim i As Integer = e.Item.ItemIndex
Dim lad1 As LinkButton
lad1 = e.Item.FindControl("Label1")
Label1.Text = lad1.Enabled End Sub
会出现 “未将对象引用设置到对象的实例。”
难道就是 初始化的值的 原因?