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GridView用法详解
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前臺(tái)頁面： Default.aspx
1 <%@ Page Language=
"C#" AutoEventWireup=
"true" CodeFile=
"Default.aspx.cs" Inherits=
"_Default" %>
2
3 <!DOCTYPE html>
4
5 <html xmlns=
"http://www.w3.org/1999/xhtml">
6 <head runat=
"server">
7 <meta http-equiv=
"Content-Type" content=
"text/html; charset=utf-8"/>
8 <title>GridView用法</title>
9 </head>
10 <body>
11 <form id=
"form1" runat=
"server">
12 <div>
13 <asp:GridView ID=
"gvUserInfo" runat=
"server" AllowPaging=
"True" PageSize=
"4" OnSorting=
"gvUserInfo_Sorting" AllowSorting=
"true" AutoGenerateEditButton=
"true" OnRowDataBound=
"gvUserInfo_RowDataBound" OnRowEditing=
"gvUserInfo_RowEditing" OnRowUpdating=
"gvUserInfo_RowUpdating" OnRowCancelingEdit=
"gvUserInfo_RowCancelingEdit" OnPageIndexChanging=
"gvUserInfo_PageIndexChanging" OnRowDeleting=
"gvUserInfo_RowDeleting" EnableModelValidation=
"True" CellPadding=
"4" ForeColor=
"#333333" GridLines=
"None" >
14 <AlternatingRowStyle BackColor=
"White" ForeColor=
"#284775" />
15 <Columns>
16 <%--
！！！ DataNavigateUrlFields屬性是獲取或設(shè)置數(shù)據(jù)源中字段的名稱，用于為其超鏈接構(gòu)造URL，其字段名稱應(yīng)為GridView中的數(shù)據(jù)字段名
17 --%>
18
19 <asp:HyperLinkField NavigateUrl=
"Info.aspx" DataNavigateUrlFields=
"用戶編號(hào)" DataNavigateUrlFormatString=
"Info.aspx?userId={0}" Target=
"_blank" Text=
"詳細(xì)信息"/>
20 <asp:TemplateField>
21 <ItemTemplate>
22 <asp:Button ID=
"btnDelete" runat=
"server" CommandName=
"Delete" Text=
"刪除" CausesValidation=
"false" OnClientClick=
"return confirm('確定刪除？')" >
23 </asp:Button>
24 </ItemTemplate>
25 </asp:TemplateField>
26 </Columns>
27 <EditRowStyle BackColor=
"#999999" />
28 <FooterStyle BackColor=
"#5D7B9D" Font-Bold=
"True" ForeColor=
"White" />
29 <HeaderStyle BackColor=
"#5D7B9D" Font-Bold=
"True" ForeColor=
"White" />
30 <PagerStyle BackColor=
"#284775" ForeColor=
"White" HorizontalAlign=
"Center" />
31 <RowStyle BackColor=
"#F7F6F3" ForeColor=
"#333333" />
32 <SelectedRowStyle BackColor=
"#E2DED6" Font-Bold=
"True" ForeColor=
"#333333" />
33 </asp:GridView>
34 </div>
35 </form>
36 </body>
37 </html>
?
?
info.aspx
1 <%@ Page Language=
"C#" AutoEventWireup=
"true" CodeFile=
"info.aspx.cs" Inherits=
"info" %>
2
3 <!DOCTYPE html>
4
5 <html xmlns=
"http://www.w3.org/1999/xhtml">
6 <head runat=
"server">
7 <meta http-equiv=
"Content-Type" content=
"text/html; charset=utf-8"/>
8 <title>用戶詳細(xì)信息</title>
9 </head>
10 <body>
11 <form id=
"form1" runat=
"server">
12 <div>
13 <asp:Table runat=
"server" Caption=
"用戶信息" >
14 <asp:TableRow>
15 <asp:TableCell>用戶編號(hào)：</asp:TableCell>
16 <asp:TableCell>
17 <asp:Label ID=
"lblUserId" runat=
"server" Text=
""></asp:Label></asp:TableCell>
18 </asp:TableRow>
19 <asp:TableRow>
20 <asp:TableCell>性別：</asp:TableCell>
21 <asp:TableCell><asp:Label ID=
"lblSex" runat=
"server" Text=
""></asp:Label></asp:TableCell>
22 </asp:TableRow>
23 <asp:TableRow>
24 <asp:TableCell>郵箱：</asp:TableCell>
25 <asp:TableCell><asp:Label ID=
"lblMail" runat=
"server" Text=
""></asp:Label></asp:TableCell>
26 </asp:TableRow>
27 </asp:Table>
28 <asp:Button ID=
"btnExit" runat=
"server" Text=
"關(guān)閉窗口" OnClientClick=
"javascript:window.opener=null;window.close();"/>
29 </div>
30 </form>
31 </body>
32 </html>
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?
后臺(tái)頁面： Default.aspx.cs
1 using System;
2 using System.Collections.Generic;
3 using System.Web;
4 using System.Web.UI;
5 using System.Web.UI.WebControls;
6 using System.Data;
7 using System.Data.SqlClient;
8
9 public partial class _Default : System.Web.UI.Page
10 {
11 protected void Page_Load(
object sender, EventArgs e)
12 {
13 if (!
IsPostBack)
14 {
15 ViewState[
"SortOrder"] =
"用戶編號(hào)";
16 ViewState[
"OrderDir"] =
"DESC";
17 dataBind();
18 }
19 }
20
21 /// <summary>
22 /// 綁定數(shù)據(jù)庫中的數(shù)據(jù)到GridView控件中
23 /// </summary>
24 protected void dataBind()
25 {
26 string conStr = System.Configuration.ConfigurationManager.ConnectionStrings[
"ConStr"].ToString();
27 SqlConnection conn =
new SqlConnection(conStr);
28 if (conn.State ==
ConnectionState.Closed)
29 {
30 conn.Open();
31 }
32 // string strSql = "select userId,userName from tabUserInfo";
33 string strSql =
"select userId as 用戶編號(hào),userName as 用戶名 from tabUserInfo";
34 SqlDataAdapter da =
new SqlDataAdapter(strSql, conn);
35 DataSet ds =
new DataSet();
36 da.Fill(ds,
"tabUserInfo");
37
38 string sort = (
string)ViewState[
"SortOrder"] +
" " + (
string)ViewState[
"OrderDir"];
39 DataView view = ds.Tables[
"tabUserInfo"].DefaultView;
40 view.Sort =
sort;
41
42 gvUserInfo.DataSource =
view;
43 gvUserInfo.DataKeyNames =
new string[]{
"用戶編號(hào)"};
44 gvUserInfo.DataBind();
45
46 //對(duì)特定數(shù)據(jù)用特定的顯示方式
47 for (
int i =
0; i < gvUserInfo.Rows.Count; i++
)
48 {
49 DataRowView myDrv = ds.Tables[
"tabUserInfo"].DefaultView[i];
50 string id = myDrv[
"用戶編號(hào)"].ToString();
51 if (Convert.ToInt32(id) <
5)
52 {
53 gvUserInfo.Rows[i].Cells[
4].BackColor =
System.Drawing.Color.Red;
54 }
55 }
56 if (conn.State ==
ConnectionState.Open)
57 {
58 conn.Close();
59 }
60 }
61
62 /// <summary>
63 /// 實(shí)現(xiàn)分頁功能
64 /// </summary>
65 /// <param name="sender"></param>
66 /// <param name="e"></param>
67 protected void gvUserInfo_PageIndexChanging(
object sender, GridViewPageEventArgs e)
68 {
69 gvUserInfo.PageIndex =
e.NewPageIndex;
70 dataBind();
71 }
72
73
74 /// <summary>
75 /// 刪除GridView中數(shù)據(jù)
76 /// </summary>
77 /// <param name="sender"></param>
78 /// <param name="e"></param>
79 protected void gvUserInfo_RowDeleting(
object sender, GridViewDeleteEventArgs e)
80 {
81 SqlConnection conn =
new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings[
"ConStr"].ToString());
82 string strSql =
"delete from tabUserInfo where userId=" +gvUserInfo.DataKeys[e.RowIndex].Value.ToString()+
"";
83 conn.Open();
84 SqlCommand cmd =
new SqlCommand(strSql, conn);
85 if (cmd.ExecuteNonQuery() >
0)
86 Response.Write(
"<script>alert('刪除成功!')</script>");
87 else
88 Response.Write(
"<script>alert('刪除失敗!')</script>");
89 conn.Close();
90 dataBind();
91 }
92 /// <summary>
93 /// 編輯GridView中的數(shù)據(jù)
94 /// </summary>
95 /// <param name="sender"></param>
96 /// <param name="e"></param>
97 protected void gvUserInfo_RowEditing(
object sender, GridViewEditEventArgs e)
98 {
99 gvUserInfo.EditIndex =
e.NewEditIndex;
100 dataBind();
101 }
102 /// <summary>
103 ///更改數(shù)據(jù)并提交到數(shù)據(jù)庫
104 /// </summary>
105 /// <param name="sender"></param>
106 /// <param name="e"></param>
107 protected void gvUserInfo_RowUpdating(
object sender, GridViewUpdateEventArgs e)
108 {
109 string conStr = System.Configuration.ConfigurationManager.ConnectionStrings[
"ConStr"].ToString();
110 SqlConnection conn =
new SqlConnection(conStr);
111 string strSql =
"update tabUserInfo set userName='" + ((TextBox)(gvUserInfo.Rows[e.RowIndex].Cells[
4].Controls[
0])).Text.ToString().Trim() +
"' where userId=" + gvUserInfo.DataKeys[e.RowIndex].Value.ToString() +
"";
112 //
113 conn.Open();
114 SqlCommand cmd =
new SqlCommand(strSql, conn);
115 cmd.ExecuteNonQuery();
116 Response.Write(
"<script>alert('更改成功！')</script>");
117 conn.Close();
118 gvUserInfo.EditIndex = -
1;
119 dataBind();
120 }
121 /// <summary>
122 /// 取消對(duì)GridView中數(shù)據(jù)的編輯
123 /// </summary>
124 /// <param name="sender"></param>
125 /// <param name="e"></param>
126 protected void gvUserInfo_RowCancelingEdit(
object sender, GridViewCancelEditEventArgs e)
127 {
128 gvUserInfo.EditIndex = -
1;
129 dataBind();
130 }
131 /// <summary>
132 /// RowDataBound事件
133 /// </summary>
134 /// <param name="sender"></param>
135 /// <param name="e"></param>
136 protected void gvUserInfo_RowDataBound(
object sender, GridViewRowEventArgs e)
137 {
138 //高亮顯示鼠標(biāo)指定行數(shù)據(jù)
139 if (e.Row.RowType ==
DataControlRowType.DataRow)
140 {
141 e.Row.Attributes.Add(
"onMouseOver",
"Color=this.style.backgroundColor;this.style.backgroundColor='lightblue'");
142 e.Row.Attributes.Add(
"onMouseOut",
"this.style.backgroundColor=Color;");
143 }
144 }
145 /// <summary>
146 /// 排序代碼
147 /// </summary>
148 /// <param name="sender"></param>
149 /// <param name="e"></param>
150 protected void gvUserInfo_Sorting(
object sender, GridViewSortEventArgs e)
151 {
152 string strPage =
e.SortExpression;
153 if (ViewState[
"SortOrder"].ToString() ==
strPage)
154 {
155 if (ViewState[
"OrderDir"].ToString() ==
"DESC")
156 {
157 ViewState[
"OrderDir"] =
"ASC";
158 }
159 else
160 {
161 ViewState[
"OrderDir"] =
"DESC";
162 }
163 }
164 else
165 {
166 ViewState[
"SortOrder"] =
e.SortExpression;
167 }
168 dataBind();
169 }
170 }
?
?
info.aspx.cs
1 using System;
2 using System.Collections.Generic;
3 using System.Web;
4 using System.Web.UI;
5 using System.Web.UI.WebControls;
6 using System.Data;
7 using System.Data.SqlClient;
8
9 public partial class info : System.Web.UI.Page
10 {
11 protected void Page_Load(
object sender, EventArgs e)
12 {
13 if (!
IsPostBack)
14 {
15 dataBind();
16 }
17 }
18
19 protected void dataBind()
20 {
21 string conStr=System.Configuration.ConfigurationManager.ConnectionStrings[
"ConStr"].ToString();
22 SqlConnection conn =
new SqlConnection(conStr);
23 if (conn.State ==
ConnectionState.Closed)
24 {
25 conn.Open();
26 }
27 string strSql =
"select * from tabUserInfo where userId="+Request[
"userId"].ToString()+
";";
28 SqlDataAdapter da =
new SqlDataAdapter(strSql, conn);
29 DataSet ds =
new DataSet();
30 da.Fill(ds,
"tabInfo");
31 DataRowView rowView = ds.Tables[
"tabInfo"].DefaultView[
0];
32 lblUserId.Text = Convert.ToString(rowView[
"userId"]);
33 lblSex.Text = Convert.ToString(rowView[
"userSex"]);
34 lblMail.Text = Convert.ToString(rowView[
"userMail"]);
35
36 if (conn.State ==
ConnectionState.Open)
37 {
38 conn.Close();
39 }
40 }
41 }
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轉(zhuǎn)載于:https://www.cnblogs.com/weihanli/p/3496022.html
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