我对ASP.Net并不是很有经验,因为我主要使用PHP。 我想这一点,但它不工作:如何有条件地更改表示层中的控件属性
<asp:TextBox runat="server" ID="txtAnswer"
TextMode='<%# IIf(DataBinder.Eval(Container.DataItem, "DoLargeInput"), "MultiLine", "SingleLine")%>' Text=''></asp:TextBox>
DoLargeInput是一个布尔值。
为什么不能正常工作?
我刚开了以下错误:
System.InvalidCastException: Conversion from string "MultiLine" to type 'Integer' is not valid. ---> System.FormatException: Input string was not in a correct format.
at Microsoft.VisualBasic.CompilerServices.Conversions.ParseDouble(String Value, NumberFormatInfo NumberFormat)
at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value)
--- End of inner exception stack trace ---
at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value)
at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(Object Value)
at ASP.profile_questions_aspx.__DataBinding__control6(Object sender, EventArgs e)
at System.Web.UI.Control.OnDataBinding(EventArgs e)
at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding)
at System.Web.UI.Control.DataBind()
at System.Web.UI.Control.DataBindChildren()
at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding)
at System.Web.UI.Control.DataBind()
at System.Web.UI.WebControls.Repeater.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem)
at System.Web.UI.WebControls.Repeater.CreateControlHierarchy(Boolean useDataSource)
at System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e)
at System.Web.UI.WebControls.Repeater.DataBind()
at profile_questions.LoadObjects()
任何帮助将不胜感激。谢谢!
伟大的作品谢谢。 那么TextBoxMode.MultiLine是一个全局常量? – adamJLev 2009-02-11 22:43:52