<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
GridView1.DataSource = GetData();
GridView1.DataBind();
}
protected void Button2_Click(object sender, System.EventArgs e)
{
string s = String.Empty;
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
s = s + "<li>第 " + i.ToString() + " 行第 " + j.ToString() + " 列的值是：" + Request.Form["txt" + i.ToString() + "_" + j.ToString()];
}
}
ret.Text = s;
// 以下代码只是为了实现在表格里面保留原来的值，如果不需要则可以删除。
GridView1.DataSource = GetData();
GridView1.DataBind();
}
protected void GridView1_RowDataBound(object sender, System.Web.UI.WebControls.GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
DataRowView dv = (DataRowView)e.Row.DataItem;
for (int i = 0; i < e.Row.Cells.Count; i++)
{
e.Row.Cells[i].Attributes.Add("onclick", "showEdit(" + e.Row.RowIndex.ToString() + "," + i.ToString() + ")");
e.Row.Cells[i].Text = "<input onblur='lostfocus(this)' name='txt" + e.Row.RowIndex.ToString() + "_" + i.ToString() + "' readonly='readonly' class='noborder' value='" + dv[i].ToString() + "'/>";
}
}
}
private DataTable GetData()
{
DataTable dt = new DataTable();
for (int i = 0; i < 5; i++)
{
dt.Columns.Add(new DataColumn("", typeof(System.String)));
}
for (int i = 0; i < 5; i++)
{
dt.Rows.Add(dt.NewRow());
for (int j = 0; j < 5; j++)
{
dt.Rows[i][j] = Request.Form["txt" + i.ToString() + "_" + j.ToString()];
}
}
return dt;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>GridView加载空行并点击编辑</title>
<style type="text/css">
.noborder{border-width: 0px;margin:2px;}
.hasborder{border-width: 2px;}
</style>
<script type="text/javascript">
function showEdit(r, c) {
document.forms[0].elements["txt" + r + "_" + c].readOnly = false;
document.forms[0].elements["txt" + r + "_" + c].className = 'hasborder';
document.forms[0].elements["txt" + r + "_" + c].select();
}
function lostfocus(o) {
o.className = 'noborder'
o.readOnly = true;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:GridView ID="GridView1" runat="server" ShowHeader="false" OnRowDataBound="GridView1_RowDataBound">
</asp:GridView>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="加载表格" />
<asp:Button ID="Button2" runat="server" Text="保存数据" OnClick="Button2_Click" />
<asp:Label ID="ret" runat="server"></asp:Label>
</form>
</body>
</html>
演示