原文作者：楊友山
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原文地址：http://blog.csdn.net/yysyangyangyangshan/article/details/22438077
前面看了如何增加和刪除Gridview數(shù)據(jù)，但是無論怎樣Gridview的數(shù)據(jù)除了展示給用戶外，還需要進行編輯后保存的。
也就是將Gridview的數(shù)據(jù)獲取下來傳到后臺，然后后臺經(jīng)過識別和處理獲得數(shù)據(jù)，保存至數(shù)據(jù)庫中。
重慶分公司
重慶分公司
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"] = "西北白楊樹";
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;
//獲取到了list拿到數(shù)據(jù)庫去保存吧，然后將是否保存成功賦值給savesuccess，前臺根據(jù)這個變量來提示
//這里是要生成一個json字符串給前臺提示用
//可以多加幾個屬性,讓提示內(nèi)容更豐富
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 resultList = new List();
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;
//獲取到了list拿到數(shù)據(jù)庫去保存吧，然后將是否保存成功賦值給savesuccess，前臺根據(jù)這個變量來提示
//這里是要生成一個json字符串給前臺提示用
//可以多加幾個屬性,讓提示內(nèi)容更豐富
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 GetResults(bool result,string message)
{
List response = new List();
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();
}
} 單行封裝為一個實體 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; }
}
}
