單擊父窗口中的GridView彈出一個模態對話框，提交數據后，根據提交的數據更新父窗口頁面的實現

本文链接：https://blog.youkuaiyun.com/linxi27/article/details/2477665

本文介绍了一个ASP.NET Web应用程序实例，展示了如何通过双击事件打开子窗口选择用户，并在选择后刷新父窗口的数据视图。具体涉及使用JavaScript进行页面间的参数传递，以及C#后端代码实现数据查询与绑定。

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父窗體UserComputerLink.aspx

HTML代碼如下

----------------------------------------------------------------------------------------------------

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="UserComputerLink.aspx.cs"

Inherits="ComputerInfo_UserComputerLink" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

function DbClickEvent(EquipmentID)

{

var st=window.showModalDialog("DisplayLis.aspx?EquipmentID="+EquipmentID);

//方法一：子窗口刷新父頁面時的父頁面的調用的窗口

//window.self.location="UserComputerLink.aspx?val="+st;

//方法二：子窗口刷新父頁面的父頁面的調用窗口，重載本頁面

if(st==1)

{

window.location.reload();

}

// function ClickEvent(EquipmentID)

// {

// window.alert("事件类型: OnClick 作用对象: " + EquipmentID);

// }

// function GridViewItemKeyDownEvent(EquipmentID)

// {

// window.alert("事件类型: GridViewItemKeyDownEvent 作用对象: " + EquipmentID);

// }

// function KeyDownEvent()

// {

// if( event.altKey && event.keyCode > 48 && event.keyCode < 54 )

// {

// window.alert("事件类型: FormKeyDownEvent 选中记录数: " + ( parseInt(event.keyCode) - 48 ));

// }

</script>

</head>

<body>

<div>

<tr>

<asp:ImageButton ID="ImgBtn" runat="server" ImageUrl="~/Image/add.gif" /></td>

<asp:ImageButton ID="SaveBtn" runat="server" ImageUrl="~/Image/Saves.gif" /></td>

<asp:ImageButton ID="ClearBtn" runat="server" ImageUrl="~/Image/Clear.gif" /></td>

</td>

</td>

</td>

</td>

</td>

</td>

</td>

</tr>

</table>

</div>

<asp:GridView ID="GridPCInfo" runat="server" BackColor="White" BorderColor="#CC9966"

BorderStyle="None" BorderWidth="1px" CellPadding="4" Width="100%" AutoGenerateColumns="False" OnRowDataBound="GridPCInfo_RowDataBound">

<asp:BoundField DataField="Equipmentid" HeaderText="AutoNum" />

<asp:BoundField DataField="MAC" HeaderText="MAC地址" />

<asp:BoundField DataField="IP" HeaderText="IP地址" />

<asp:BoundField DataField="compuname" HeaderText="電腦名稱" />

<asp:BoundField DataField="TradeMark" HeaderText="電腦品牌" />

<asp:BoundField DataField="CPU" HeaderText="CPU" />

<asp:BoundField DataField="RAMSize" HeaderText="內存大小" />

<asp:BoundField DataField="HDSize" HeaderText="硬盤大小" />

<asp:BoundField DataField="GraphCardSize" HeaderText="顯卡大小" />

<asp:BoundField DataField="OS" HeaderText="OS" />

<asp:BoundField DataField="Loacl" HeaderText="所在位置" />

<asp:BoundField DataField="ManageLabel" HeaderText="管制標籤" />

</Columns>

</asp:GridView>

<asp:GridView ID="GridLink" runat="server" BackColor="White" BorderColor="#CC9966"

BorderStyle="None" BorderWidth="1px" CellPadding="4" Width="100%" AutoGenerateColumns="False">

<asp:BoundField DataField="Equipmentid" HeaderText="設備ID" />

<asp:BoundField DataField="IP" HeaderText="IP地址" />

<asp:BoundField DataField="mac" HeaderText="MAC地址" />

<asp:BoundField DataField="computername" HeaderText="電腦名稱" />

<asp:BoundField DataField="userid" HeaderText="用戶ID" />

<asp:BoundField DataField="username" HeaderText="用戶名" />

</Columns>

</asp:GridView>

</div>

</form>

</body>

</html>

後臺程序如下：

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Text;

public partial class ComputerInfo_UserComputerLink : System.Web.UI.Page

{

//將類實例化

ITInfoClass GetDB = new ITInfoClass();

UserPCLinkClass GetDBData = new UserPCLinkClass();

//定義一個字符串對象

StringBuilder SQL = new StringBuilder();

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

BindData();

BindPCUserData();

//驗證子頁面的傳回的參數是否為空，若不為空則執行以下相關代碼

//單獨的子窗口關閉刷新父窗體用不著此程式。

//if (Request.QueryString["val"] != null)

//{

// BindData();

// BindPCUserData();

//}

}

/// <summary>

/// 查詢數據庫中的數據綁定到GridView

/// </summary>

protected void BindData()

{

SQL.Remove(0, SQL.Length);

SQL.Append("SELECT");

SQL.Append(" * ");

SQL.Append(" FROM");

SQL.Append(" COMPUTERINFO");

SQL.Append(" ORDER BY");

SQL.Append(" EQUIPMENTID DESC");

GridPCInfo.DataSource = GetDB.GetITInfo(SQL.ToString());

GridPCInfo.DataBind();

}

/// <summary>

/// 查詢數據庫中的PCUser表中數據并返回給GridLink

/// </summary>

public void BindPCUserData()

{

GridLink.DataSource = GetDBData.GetUserPC("PS_GETUSERPC", "DATASETS") ;

GridLink.DataBind();

}

/// <summary>

/// GridPCInfo 的雙擊事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

protected void GridPCInfo_RowDataBound(object sender, GridViewRowEventArgs e)

{

GetDB.ChangeRowColor(sender, e, GridPCInfo);

if (e.Row.RowType == DataControlRowType.DataRow)

{

e.Row.Attributes.Add("OnDblClick", "DbClickEvent('" + e.Row.Cells[0].Text + "')");

e.Row.Attributes["style"] = "Cursor:hand";

//e.Row.Attributes.Add("OnClick"OnDbClick, "ClickEvent('" + e.Row.Cells[1].Text + "')");

//e.Row.Attributes.Add("OnKeyDown", "GridViewItemKeyDownEvent('" + e.Row.Cells[1].Text + "')");

//设置悬浮鼠标指针形状为"小手"

}

子窗體頁面 DisplayList.aspx

HTML代碼乳如下：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DisplayLis.aspx.cs" Inherits="ComputerInfo_DisplayLis" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

</head>

<body>

<div>

<asp:GridView ID="GridUser" runat="server" BackColor="White" BorderColor="#CC9966"

BorderStyle="None" BorderWidth="1px" CellPadding="4" Width="100%" AutoGenerateColumns="False">

<asp:TemplateField HeaderText="選擇">

<asp:CheckBox ID="Select1" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:BoundField DataField="userid" HeaderText="用戶ID" />

<asp:BoundField DataField="username" HeaderText="用戶名" />

<asp:BoundField DataField="sex" HeaderText="性別" />

<asp:BoundField DataField="deptid" HeaderText="部門" />

<asp:BoundField DataField="phone" HeaderText="電話" />

</Columns>

</asp:GridView>

<asp:Button ID="ConfrimBtn"

runat="server" Text="確定" OnClick="ConfrimBtn_Click" />

</td>

<asp:Button ID="CancelBtn" runat="server" Text="取消" OnClick="CancelBtn_Click" />

</td>

</tr>

<tr>

<asp:HiddenField ID="HfEquipmentid" runat="server" />

<asp:HiddenField ID="HfUserID" runat="server" />

</td>

</tr>

</table>

</div>

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></form>

</body>

</html>

後臺代碼如下：

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

public partial class ComputerInfo_DisplayLis : System.Web.UI.Page

{

UserPCLinkClass GetUs = new UserPCLinkClass();

protected void Page_Load(object sender, EventArgs e)

{

Response.Expires = -1;

if (!IsPostBack)

{

if (Request.QueryString["EquipmentID"] != null)

{

string Equipmentid = Request.QueryString["EquipmentID"].ToString().Replace("null", "");

HfEquipmentid.Value = Equipmentid.ToString();

}

UserDataBind();

}

/// <summary>

/// 獲取用戶并綁定到GridView

/// </summary>

public void UserDataBind()

{

DataSet ds = new DataSet();

ds = GetUs.GetUser();

GridUser.DataSource = ds;

GridUser.DataBind();

}

/// <summary>

/// 取消按鈕事件，關閉當前的模態頁面

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

protected void CancelBtn_Click(object sender, EventArgs e)

{

this.RegisterStartupScript("key", "<script>window.opener=null;window.close(this);</script>");

}

/// <summary>

/// 點擊“確定”按鈕，執行設備ID與人員的綁定

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

protected void ConfrimBtn_Click(object sender, EventArgs e)

{

CheckBox FalseCheck = new CheckBox();

if (GetCheckValue().Value != null)

{

string[] stringUserID = GetCheckValue().Value.Split('|');

int IDCount = stringUserID.Length;

for (int j = 0; j < IDCount; j++)

{

//將Equipmentid與用戶關聯的數據插入到數據庫中

GetUs.InsertCompuUser(HfEquipmentid.Value, stringUserID[j].ToString());

}

//取消Grid中被選中的checkBox

for (int i = 0; i < GridUser.Rows.Count; i++)

{

FalseCheck = (CheckBox)GridUser.Rows[i].FindControl("Select1");

if (FalseCheck.Checked == true)

{

FalseCheck.Checked = false;

}

//方法一、返回父頁面值1，然後父頁面判斷若是1，則刷新也頁面，若不是則不做刷新

this.ClientScript.RegisterStartupScript(this.GetType(), "Key", "<script language='javascript'>window.returnValue=1;window.close(this);</script>");

//方法二、返回父頁面本一個參數值，供父頁面取得此參數，由此參數的值再調用其他程式，且刷新父頁面

//this.ClientScript.RegisterStartupScript(this.GetType(), "Key", "<script language='javascript'>window.returnValue='"+HfEquipmentid.Value+"';window.close(this);</script>");

}

else

{

this.RegisterStartupScript("key", "<script>window.opener=null;window.close(this);</script>");

}

/// <summary>

/// 獲取頁面的所有的checkBox被選中的用戶ID號碼

/// </summary>

/// <returns></returns>

public HiddenField GetCheckValue()

{

HfUserID.Value = null;

GridView MyGrid = new GridView();

//獲取頁面的GridView控件

MyGrid = (GridView)this.Form.FindControl("GridUser");

//MyGrid = (GridView)Parent.FindControl("GridUser");

if (MyGrid != null)

{

int i, Row;

Row = MyGrid.Rows.Count;

CheckBox MyCheckBox = new CheckBox();

for (i = 0; i < Row; i++)

{

MyCheckBox = (CheckBox)MyGrid.Rows[i].FindControl("Select1");

if (MyCheckBox != null)

{

if (MyCheckBox.Checked)

{

string Tedt = MyGrid.Rows[i].Cells[1].Text.ToString();

HfUserID.Value = HfUserID.Value + MyGrid.Rows[i].Cells[1].Text.ToString() + "|";

}

//if (HfUserID.Value.Length > 0)

//{

// HfUserID.Value = HfUserID.Value.Remove(HfUserID.Value.Length - 1);

//}

return HfUserID;

}