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GridView动态新增行 删除行 适合多数据批量修改保存 新增数据验证

2012-11-27 16:37 465 查看 
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Demo.aspx.cs" Inherits="Demo" %>
<!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 runat="server" width="80px">
<title>GridView动态新增行 批量编辑保存</title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<div>
<asp:Button ID="btnAdd" runat="server" Text="新增行" OnClick="btnAdd_Click" />
<asp:Button ID="btnSave" runat="server" Text="保存数据" OnClick="btnSave_Click" />
<br/>新增验证：控件宽度和高度为 非0的正整数<br/>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" OnRowDeleting="GridView1_RowDeleting">
<Columns>
<asp:CommandField ShowDeleteButton="True" />
<asp:TemplateField HeaderText="字段名">
<ItemTemplate>
<asp:Label ID="lblPKID" runat="server" Text='<%# Container.DataItemIndex%>' Visible="false"></asp:Label>
<asp:TextBox ID="txtFieldName" runat="server" Width="80px"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="显示名">
<ItemTemplate>
<asp:TextBox ID="txtFieldTipName" runat="server" Width="80px"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="主键">
<ItemTemplate>
<asp:DropDownList ID="ddlIsPK" runat="server" Width="80px">
<asp:ListItem Text="否" Value="0" Selected="True"></asp:ListItem>
<asp:ListItem Text="是" Value="1"></asp:ListItem>
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="可编辑">
<ItemTemplate>
<asp:DropDownList ID="ddlIsEdit" runat="server" Width="80px">
<asp:ListItem Text="否" Value="0" Selected="True"></asp:ListItem>
<asp:ListItem Text="是" Value="1"></asp:ListItem>
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="页面显示">
<ItemTemplate>
<asp:DropDownList ID="ddlIsShow" runat="server" Width="80px">
<asp:ListItem Text="否" Value="0" Selected="True"></asp:ListItem>
<asp:ListItem Text="是" Value="1"></asp:ListItem>
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="列表显示">
<ItemTemplate>
<asp:DropDownList ID="ddlIsListShow" runat="server" Width="80px">
<asp:ListItem Text="否" Value="0" Selected="True"></asp:ListItem>
<asp:ListItem Text="是" Value="1"></asp:ListItem>
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="字段排序">
<ItemTemplate>
<asp:TextBox ID="txtFieldSort" runat="server" Width="80px"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="控件类别">
<ItemTemplate>
<asp:DropDownList ID="ddlFieldControl" runat="server" Width="80px">
<asp:ListItem Text="Label" Value="Label" Selected="True"></asp:ListItem>
<asp:ListItem Text="TextBox" Value="TextBox"></asp:ListItem>
<asp:ListItem Text="RadioButtonList" Value="RadioButtonList"></asp:ListItem>
<asp:ListItem Text="CheckBoxList" Value="CheckBoxList"></asp:ListItem>
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="值组合">
<ItemTemplate>
<asp:TextBox ID="txtMutiArray" runat="server" Width="80px"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="控件宽度">
<ItemTemplate>
<asp:TextBox ID="txtControlWidth" runat="server" Width="80px"></asp:TextBox>
<asp:RegularExpressionValidator ID="Rev1" runat="server" ErrorMessage="*" ForeColor="Red" ControlToValidate="txtControlWidth" ValidationExpression="^\+?[1-9][0-9]*$" ></asp:RegularExpressionValidator>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="控件高度">
<ItemTemplate>
<asp:TextBox ID="txtControlHeight" runat="server" Width="80px"></asp:TextBox>
<asp:RegularExpressionValidator ID="Rev2" runat="server" ErrorMessage="*" ForeColor="Red" ControlToValidate="txtControlHeight" ValidationExpression="^\+?[1-9][0-9]*$"></asp:RegularExpressionValidator>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="备注">
<ItemTemplate>
<asp:TextBox ID="txtFieldRemark" runat="server" Width="80px"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
<asp:Label ID="Label1" runat="server" ></asp:Label>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>


using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class Demo : System.Web.UI.Page
{
#region 页面加载
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
CreateTable();
BindTestData();
}
}
#endregion

#region 创建测试数据且绑定
protected DataTable CreateTable()
{
//模拟出一些原始数据绑定DataGrid
DataTable dt1 = new DataTable("FieldTable");
//不设置 默认为System.String
dt1.Columns.Add("FieldName");
dt1.Columns.Add("FieldTipName");
dt1.Columns.Add("IsPK");
dt1.Columns.Add("IsEdit");

dt1.Columns.Add("IsShow");
dt1.Columns.Add("IsListShow");
dt1.Columns.Add("FieldSort");
dt1.Columns.Add("FieldControl");
dt1.Columns.Add("MutiArray");

dt1.Columns.Add("ControlWidth");
dt1.Columns.Add("ControlHeight");
dt1.Columns.Add("FieldRemark");

dt1.Rows.Add(dt1.NewRow());
ViewState["ViewDT"] = dt1;
return dt1;
}

protected void BindTestData()
{
this.GridView1.DataSource = ViewState["ViewDT"] as DataTable;
this.GridView1.DataBind();
}
#endregion

#region 新增行
protected void btnAdd_Click(object sender, EventArgs e)
{
DataTable dt1 = (DataTable)ViewState["ViewDT"];
//Add new row
dt1.Rows.Add(dt1.NewRow());
ViewState["ViewDT"] = dt1;
BindTestData();
}
#endregion

#region 删除行
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
int PKID = Convert.ToInt32(((Label)GridView1.Rows[e.RowIndex].FindControl("lblPKID")).Text);
DataTable tbCategory = (DataTable)ViewState["ViewDT"];
try { tbCategory.Rows.RemoveAt(PKID); }
catch { }
ViewState["ViewDT"] = tbCategory;
BindTestData();
}
#endregion

#region 保存修改
protected void btnSave_Click(object sender, EventArgs e)
{
//批量修改后保存数据
if (GridView1.Rows.Count > 0)
{
Label1.Text = "";
System.Text.StringBuilder builder = new System.Text.StringBuilder();
for (int i = 0; i < GridView1.Rows.Count; i++)
{
string PKID = ((Label)GridView1.Rows[i].FindControl("lblPKID")).Text;
string FieldName = ((TextBox)GridView1.Rows[i].FindControl("txtFieldName")).Text;

string FieldTipName = ((TextBox)GridView1.Rows[i].FindControl("txtFieldTipName")).Text;
string IsPK = ((DropDownList)GridView1.Rows[i].FindControl("ddlIsPK")).SelectedValue;
string IsEdit = ((DropDownList)GridView1.Rows[i].FindControl("ddlIsEdit")).SelectedValue;
string IsShow = ((DropDownList)GridView1.Rows[i].FindControl("ddlIsShow")).SelectedValue;

string IsListShow = ((DropDownList)GridView1.Rows[i].FindControl("ddlIsListShow")).SelectedValue;
string FieldSort = ((TextBox)GridView1.Rows[i].FindControl("txtFieldSort")).Text;
string FieldControl = ((DropDownList)GridView1.Rows[i].FindControl("ddlFieldControl")).SelectedValue;
string MutiArray = ((TextBox)GridView1.Rows[i].FindControl("txtMutiArray")).Text;

string ControlWidth = ((TextBox)GridView1.Rows[i].FindControl("txtControlWidth")).Text;
string ControlHeight = ((TextBox)GridView1.Rows[i].FindControl("txtControlHeight")).Text;
string FieldRemark = ((TextBox)GridView1.Rows[i].FindControl("txtFieldRemark")).Text;
builder.AppendLine(PKID + "____" + FieldName + "____"
+ FieldTipName + "____" + IsPK + "____" + IsEdit + "____" + IsShow
+ "____" + IsListShow + "____" + FieldSort + "____" + FieldControl
+ "____" + MutiArray + "____" + ControlWidth + "____" + ControlHeight
+ "____" + "____" + FieldRemark + "<br/>");
}
Label1.Text = builder.ToString();
}
else
{
ScriptManager.RegisterClientScriptBlock(Page, this.GetType(), "idAlert1", "alert('无数据可保存!')", true);
}
}
#endregion
}
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