|
|
| http://www.sqlsky.com/ |
|
|
|
<form id="Form1" method="post" runat="server"> <asp:Table id="Table1" runat="server">asp:Table> <asp:PlaceHolder id="PlaceHolder1" runat="server">asp:PlaceHolder><BR><BR> <asp:Button id="Button1" runat="server" Text="添加一行">asp:Button> form> private void Button1_Click(object sender, System.EventArgs e) 
{ 
AddTextBoxs(); if(ViewState["Count"]==null)AddButton(); ViewState["Count"]=Convert.ToInt16(ViewState["Count"])+1; 
} private void AddTextBoxs() { TableRow tr=new TableRow(); TableCell tc1=new TableCell(); TextBox t=new TextBox(); t.ID="tb"+Table1.Rows.Count; tc1.Controls.Add(t); TableCell tc2=new TableCell(); DropDownList dpl=new DropDownList(); dpl.ID="dpl"+Table1.Rows.Count; for(int i=0;i<10;i++)dpl.Items.Add(i.ToString()); tc2.Controls.Add(dpl); tr.Cells.Add(tc1); tr.Cells.Add(tc2); Table1.Rows.Add(tr); } private void AddButton() { Button b=new Button(); b.ID="btn"; b.Text="按钮"; b.Click += new System.EventHandler(btn_Click); PlaceHolder1.Controls.Add(b); } private void btn_Click(object sender, System.EventArgs e) { for(int i=0;i<Table1.Rows.Count;i++) 
{ Response.Write(((TextBox)Table1.Rows[i].FindControl("tb"+i)).Text+((DropDownList)Table1.Rows[i].FindControl("dpl"+i)).SelectedValue+"
} } private void Page_Load(object sender, System.EventArgs e) { if(ViewState["Count"]!=null) { for(int i=0;i<Convert.ToInt16(ViewState["Count"]);i++) AddTextBoxs(); AddButton(); } }