GridView动态增加行

来源：互联网发布：匿名发泄软件编辑：程序博客网时间：2024/05/22 14:10

</head>

<body>

<div>

<asp:Button ID="Button1" runat="server" Text="添加空行" OnClick="Button1_Click" />

<asp:Button ID="Button2" runat="server" Text="保存所有" OnClick="Button2_Click" />

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="id">

<asp:TemplateField>

<asp:CheckBox ID="CheckBox1" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="产品">

<asp:TextBox ID="TextBox1" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "产品")%>'></asp:TextBox>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="数量">

<asp:TextBox ID="TextBox2" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "数量")%>'></asp:TextBox>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="日期">

<asp:TextBox ID="TextBox3" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "日期")%>'></asp:TextBox>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="状态">

<asp:DropDownList ID="DropDownList1" runat="server" SelectedValue='<%# DataBinder.Eval(Container.DataItem, "状态")%>'>

<asp:ListItem Value="1" Selected="True">有效</asp:ListItem>

<asp:ListItem Value="0">无效</asp:ListItem>

</asp:DropDownList>

</ItemTemplate>

</asp:TemplateField>

</Columns>

</asp:GridView>

<br />

</div>

</form>

</body>

</html>

cs文件：

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 Default5 : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

BindTestData();

}

protected void BindTestData()

{

//模拟出一些原始数据绑定DataGrid

DataTable dt1 = new DataTable("Table1");

dt1.Columns.Add("ID");

dt1.Columns.Add("产品");

dt1.Columns.Add("数量");

dt1.Columns.Add("日期");

dt1.Columns.Add("状态");

dt1.Rows.Add(new object[] { 123, "产品AA", 12, "2006-11-14", "1" });

dt1.AcceptChanges();

this.GridView1.DataSource = dt1;

this.GridView1.DataBind();

}

protected DataTable GetDataFromGrid()

{

DataTable dt1 = new DataTable("Table1");

dt1.Columns.Add("ID");

dt1.Columns.Add("产品");

dt1.Columns.Add("数量");

dt1.Columns.Add("日期");

dt1.Columns.Add("状态");

for (int i = 0; i < GridView1.Rows.Count; i++)

{

GridViewRow gRow = GridView1.Rows[i];

DataRow newRow = dt1.NewRow();

newRow[0] = GridView1.DataKeys[i].Value;

newRow[1] = ((TextBox)gRow.FindControl("TextBox1")).Text;

newRow[2] = ((TextBox)gRow.FindControl("TextBox2")).Text;

newRow[3] = ((TextBox)gRow.FindControl("TextBox3")).Text;

newRow[4] = ((DropDownList)gRow.FindControl("DropDownList1")).SelectedValue;

dt1.Rows.Add(newRow);

}

dt1.AcceptChanges();

return dt1;

}

protected void Button1_Click(object sender, EventArgs e)

{

DataTable dt = this.GetDataFromGrid();

DataRow newRow = dt.NewRow();

newRow["状态"] = "1";

dt.Rows.Add(newRow);

this.GridView1.DataSource = dt;

this.GridView1.DataBind();

}

protected void Button2_Click(object sender, EventArgs e)

{

DataTable dt = this.GetDataFromGrid();

foreach (DataRow row in dt.Rows)

{

if (row["ID"] != null)

{

//更新该行记录到数据库

}

else

{

//插入该行记录到数据库

}