| ASP.NET 2.0应用一例：为 GridView 加载空行并点击编辑每一个单元格 |
作者：孟宪会 发布日期：2009-04-06 18:54:19
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直接拷贝一下，保存为test.aspx即可看到效果。
ASPX 代码【C#代码】
<%@ 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></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>
ASPX 代码【VB代码】
<%@ Page Language="VB" Debug="true" ValidateRequest="false" %>
<%@ 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 Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs)
GridView1.DataSource = GetData()
GridView1.DataBind()
End Sub
Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Dim s As String = String.Empty
For i As Integer = 0 To 4
For j As Integer = 0 To 4
s = s + "<li>第 " + i.ToString() + " 行第 " + j.ToString() + " 列的值是：" + Request.Form("txt" + i.ToString() + "_" + j.ToString())
Next
Next
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()
End Sub
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.DataRow Then
Dim dv As DataRowView = CType(e.Row.DataItem, DataRowView)
For i As Integer = 0 To e.Row.Cells.Count - 1
If e.Row.RowIndex = 0 Then
e.Row.Cells(i).Style("width") = "80px"
e.Row.Cells(i).Style("padding") = "2px"
End If
e.Row.Cells(i).Attributes.Add("onclick", "showEdit(" + e.Row.RowIndex.ToString() + "," + i.ToString() + ")")
e.Row.Cells(i).Text = "<input style='width:100%' onblur='lostfocus(this)' name='txt" + e.Row.RowIndex.ToString() + "_" + i.ToString() + "' readonly='readonly' class='noborder' value='" + dv(i).ToString() + "'/>"
Next
End If
End Sub
Private Function GetData() As DataTable
Dim dt As DataTable = New DataTable
For i As Integer = 1 To 5
dt.Columns.Add(New DataColumn("", GetType(System.String)))
Next
For i As Integer = 0 To 4
dt.Rows.Add(dt.NewRow)
For j As Integer = 0 To 4
dt.Rows(i)(j) = Request.Form("txt" + i.ToString() + "_" + j.ToString())
Next
Next
Return dt
End Function
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></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 = '';
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 = 'readonly';
}
</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>
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原文地址：http://dotnet.aspx.cc/article/47654f82-6a22-4b25-98a0-830e26a7e75e/print.aspx
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