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原文作者：杨友山
原文地址：http://blog.csdn.net/yysyangyangyangshan/article/details/22438077
前面看了如何增加和删除Gridview数据，但是无论怎样Gridview的数据除了展示给用户外，还需要进行编辑后保存的。
也就是将Gridview的数据获取下来传到后台，然后后台经过识别和处理获得数据，保存至数据库中。<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body id="Body1" runat="server">
<form id="Form1" runat="server">
<asp:Button ID="btnAdd" runat="server" OnClientClick="return SaveBatch();return false;" Text="批量保存"/>
<asp:GridView ID="dgPersons" runat="server" EnableViewState="false" CellPadding="4"
GridLines="Horizontal" PageChange="TextBox" AutoGenerateColumns="False" SortMode="Total" ForeColor="#333333"
CellSpacing="1" Width="60%" ShowNoRecordTip="True">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<%#Container.DataItemIndex +1%>
<input id="hideID" type="hidden" runat="server" value='<%#Eval("p_id")%>' />
</ItemTemplate>
<HeaderTemplate>
<span>序号</span>
</HeaderTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<span> <%#Eval("p_name")%></span>
</ItemTemplate>
<HeaderTemplate>
<span>姓名</span>
</HeaderTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<span> <%#Eval("p_age")%></span>
</ItemTemplate>
<HeaderTemplate>
<span>年龄</span>
</HeaderTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<span> <%#Eval("p_sex")%></span>
</ItemTemplate>
<HeaderTemplate>
<span>性别</span>
</HeaderTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:TextBox ID="txtRemark" runat="server" Text='<%#Eval("p_remark")%>' Width="120px" Height="30px"/>
</ItemTemplate>
<HeaderTemplate>
<span>备注</span>
</HeaderTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<a href ="JavaScript:viod(0)" </ItemTemplate>
<HeaderTemplate>
<span>操作</span>
</HeaderTemplate>
</asp:TemplateField>
</Columns>
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" HorizontalAlign="Center" ForeColor="White" />
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
<RowStyle HorizontalAlign="Center" />
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<EditRowStyle BackColor="#999999" />
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />
</asp:GridView>
</form>
</body>
<script type="text/javascript" src="/Scripts/Ajax.js"></script>
<script type="text/javascript" src="/Scripts/jquery-1.4.1.js"></script>
<script language="javascript" type="text/javascript">
var dgPersonsID = "<%= dgPersons.ClientID %>";
$(document).ready(function () {
$("#dgPersons tr").eq(1).hide();
});
function GetGridViewDatas() {
var dgs = document.getElementById(dgPersonsID);
if (dgs.rows == null || dgs.rows.length < 2) {
alert("没有数据！");
return;
}
var gridobj = new Object();
gridobj.ID = dgs.rows[1].cells[0].children[0].value;
gridobj.Name = dgs.rows[1].cells[1].children[0].innerHTML;
gridobj.Age = dgs.rows[1].cells[2].children[0].innerHTML;
gridobj.Sex = dgs.rows[1].cells[3].children[0].innerHTML;
gridobj.Remark = dgs.rows[1].cells[4].children[0].value;
for (var i = 2; i < dgs.rows.length; i++) {
gridobj.ID += "," + dgs.rows[i].cells[0].children[0].value;
gridobj.Name += "," + dgs.rows[i].cells[1].children[0].innerHTML;
gridobj.Age += "," + dgs.rows[i].cells[2].children[0].innerHTML;
gridobj.Sex += "," + dgs.rows[i].cells[3].children[0].innerHTML;
gridobj.Remark += "," + dgs.rows[i].cells[4].children[0].value;
}
return gridobj;
}
//批量保存
function SaveBatch() {
var gridDatas = GetGridViewDatas();
var saveDatas = gridDatas;
saveDatas.operateType = "SaveAll";
var htmlObjects = $.ajax({
type: "POST",
data: saveDatas,
async: true,
success: function (result) {
if (result != "false") {
alert("保存成功！");
}
else {
alert("保存失败！");
}
},
error: function (result) {
alert("保存失败！");
}
});
return false;
}
//单个保存
function SaveSingle(obj) {
var elm = event.target || event.srcElement;
if (elm.disabled) {
return false;
}
var row = obj.parentElement.parentElement;
var gridobj = new Object();
gridobj.snID = row.cells[0].children[0].value;
gridobj.Name = row.cells[1].children[0].innerHTML;
gridobj.Age = row.cells[2].children[0].innerHTML;
gridobj.Sex = row.cells[3].children[0].innerHTML;
gridobj.Remark = row.cells[4].children[0].value;
var saveData = gridobj;
saveData.operateType = "SaveSingleData";
var htmlobj = $.ajax({
type: "POST",
data: saveData,
async: true,
success: function (result) {
if (result != "false") {
alert("保存成功！");
}
else {
alert("保存失败！");
}
},
error: function (result) {
alert("保存失败！");
}
});
return false;
}
</script>
</html>public partial class ChildFrm : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
switch (Request["operateType"])
{
case "SaveAll":
SaveAllData();
return;
case "SaveSingleData":
SaveSingleData();
return;
default:
break;
}
if (!IsPostBack)
{
DataTable dt = InitData();
this.dgPersons.DataSource = dt;
this.dgPersons.DataBind();
}
}
private DataTable InitData()
{
DataTable PersonCollect = new DataTable();
PersonCollect = new DataTable();
PersonCollect.Columns.Add("p_id");
PersonCollect.Columns.Add("p_name");
PersonCollect.Columns.Add("p_age");
PersonCollect.Columns.Add("p_sex");
PersonCollect.Columns.Add("p_remark");
if (PersonCollect.Rows.Count < 1)
{
for (int i = 0; i < 11; i++)
{
DataRow nrow = PersonCollect.NewRow();
nrow["p_id"] = System.Guid.NewGuid().ToString();
nrow["p_name"] = "西北白杨树";
nrow["p_age"] = 27;
nrow["p_sex"] = "男";
nrow["p_remark"] = string.Empty;
PersonCollect.Rows.Add(nrow);
}
}
return PersonCollect;
}
protected void SaveSingleData()
{
string id = Request["snID"].ToString().Trim() ;
string name = Request["Name"].ToString().Trim();
string age = Request["Age"].ToString().Trim();
string sex = Request["Sex"].ToString().Trim();
string remark = Request["Remark"].ToString().Trim();
bool savesuccess = true;
//获取到了list拿到数据库去保存吧，然后将是否保存成功赋值给savesuccess，前台根据这个变量来提示
//这里是要生成一个json字符串给前台提示用
//可以多加几个属性,让提示内容更丰富
ArrayList list = new ArrayList();
Hashtable ht = new Hashtable();
ht.Add("Success", savesuccess.ToString().ToLower());
list.Add(ht);
JavaScriptSerializer json = new JavaScriptSerializer();
string jsonResult = json.Serialize(list);
SendTextMessage(jsonResult);
}
protected void SaveAllData()
{
string id = Request["ID"].ToString();
string name = Request["Name"].ToString();
string age = Request["Age"].ToString();
string sex = Request["Sex"].ToString();
string remark = Request["Remark"].ToString();
string[] ids = SplitString(id);
string[] names = SplitString(name);
string[] ages = SplitString(age);
string[] sexs = SplitString(sex);
string[] remarks = SplitString(remark);
List<Person> resultList = new List<Person>();
if (ids != null && ids.Length > 0)
{
for (int i = 0; i < ids.Length; i++)
{
Person m = new Person();
m.ID = ids[i];
m.Name = names[i];
m.Age = ages[i];
m.Sex = sexs[i];
m.Remark = remarks[i];
resultList.Add(m);
}
}
bool savesuccess = true;
//获取到了list拿到数据库去保存吧，然后将是否保存成功赋值给savesuccess，前台根据这个变量来提示
//这里是要生成一个json字符串给前台提示用
//可以多加几个属性,让提示内容更丰富
ArrayList list = new ArrayList();
Hashtable ht = new Hashtable();
ht.Add("Success", savesuccess.ToString().ToLower());
list.Add(ht);
JavaScriptSerializer json = new JavaScriptSerializer();
string jsonResult = json.Serialize(list);
SendTextMessage(jsonResult);
}
private string[] SplitString(string value)
{
if (string.IsNullOrEmpty(value))
{
return new string[0];
}
return value.Split(',');
}
private List<Results> GetResults(bool result,string message)
{
List<Results> response = new List<Results>();
Results r = new Results();
r.Success = result.ToString().ToLower();
r.Message = message;
response.Add(r);
return response;
}
protected void SendTextMessage(string message)
{
Response.ContentType = "text/plain";
Response.Write(message);
Response.End();
}
} public class Person
{
private string id;
public string ID
{
get { return id; }
set { id = value; }
}
private string name;
public string Name
{
get { return name; }
set { name = value; }
}
private string age;
public string Age
{
get { return age; }
set { age = value; }
}
private string sex;
public string Sex
{
get { return sex; }
set { sex = value; }
}
private string remark;
public string Remark
{
get { return remark; }
set { remark = value; }
}
}
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