<

asp:TextBox

ID

="tb"

runat

="server"

SkinID

="forFormSingleLine"

ReadOnly

="true"

></

asp:TextBox

>

<

asp:Button

ID

="btn"

runat

="server"

Text

="Button"

onclick

="btn_Click"

Visible

="false"

/>

protected

void

Page_Load(

object

sender, EventArgs e)

{

if

(

!

IsPostBack)

{

tb.Attributes[

"

onclick

"

]

=

"

window.showModalDialog(\"http://www.cnblogs.com/PublicInfo/FrmContractListDlg.aspx

"

+

"

\",\" \",\"status:false;dialogWidth:800px;dialogHeight:530px\");

"

;

tb.Attributes[

"

onclick

"

]

+=

ClientScript.GetPostBackEventReference(btn,

null

);

}

}

protected

void

btn_Click(

object

sender, EventArgs e)

{

　　　　　　　　//to do smth...

　　　　　 }