只能接受数字1
using System;2
using System.Text;3
using System.Web;4
using System.Web.UI;5
using System.Web.UI.WebControls;6
7
8
namespace PowerAsp.NET.Comtrols9
{10
/**//// 11
/// 作者&＃xff1a;黄忠诚12
/// 13
public class NumberEditor:TextBox14
{15
private const string scp_number_only_hook_id &＃61; "9A5788C6-D6A2-484A-9471-3E983A2433F7";16
private const string scp_number_only_hook &＃61; "return NumberEditor_KeyPress_Handle(this);";17
private const string scp_number_only_script &＃61;""; 18
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private void RenderJavascript()21
{22
if(!Page.IsClientScriptBlockRegistered(scp_number_only_hook_id))23
{24
Page.RegisterClientScriptBlock(scp_number_only_hook_id,scp_number_only_script);25
}26
}27
protected override void AddAttributesToRender(HtmlTextWriter writer)28
{29
base.AddAttributesToRender (writer);30
writer.AddAttribute("OnKeyPress",scp_number_only_hook);31
}32
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protected override void OnPreRender(EventArgs e)34
{35
base.OnPreRender (e);36
RenderJavascript();37
}38
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public NumberEditor()40
{41
}42
}43
}
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