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我有一个DataGridView,我想添加一个新的行与空单元格,但我不知道在DataGridView中的列(变量)的数量。有没有简单的方法来做到这一点?如何在DataGridView中添加新的空行?
我有一个DataGridView,我想添加一个新的行与空单元格,但我不知道在DataGridView中的列(变量)的数量。有没有简单的方法来做到这一点?如何在DataGridView中添加新的空行?
您可以使用以下代码轻松完成此操作。下面的标记用于带有gridview的页面,下面的C#代码用于按钮单击事件,该事件添加了一个没有任何特定的列名称或数据类型知识的空行。
这是尝试和测试。
为按钮C#代码点击添加一个新的空行
protected void btn1_Click(object sender, EventArgs e)
{
GridViewRow row1 = GridView1.Rows[0];
GridViewRow row = new GridViewRow(0, 0, DataControlRowType.DataRow, DataControlRowState.Insert);
for (int i = 0; i < row1.Cells.Count; i++)
{
TableCell cell = new TableCell();
cell.Text = " ";
row.Cells.Add(cell);
Table parentTable = row1.Parent as Table;
parentTable.Rows.Add(row);
}
}
ASPX标记与GridView控件
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridViewSample.aspx.cs" Inherits="GridViewSample" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="btn1" runat="server" Text="Add Row" OnClick="btn1_Click" />
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4" DataKeyNames="ProductID" DataSourceID="SqlDataSource1" ForeColor="#333333" GridLines="None">
<AlternatingRowStyle BackColor="White" />
<Columns>
<asp:BoundField DataField="ProductID" HeaderText="ProductID" ReadOnly="True" SortExpression="ProductID" />
<asp:BoundField DataField="ProductName" HeaderText="ProductName" SortExpression="ProductName" />
<asp:BoundField DataField="QuantityPerUnit" HeaderText="QuantityPerUnit" SortExpression="QuantityPerUnit" />
<asp:BoundField DataField="UnitPrice" HeaderText="UnitPrice" SortExpression="UnitPrice" />
<asp:BoundField DataField="UnitsInStock" HeaderText="UnitsInStock" SortExpression="UnitsInStock" />
<asp:BoundField DataField="UnitsOnOrder" HeaderText="UnitsOnOrder" SortExpression="UnitsOnOrder" />
<asp:BoundField DataField="CategoryName" HeaderText="CategoryName" SortExpression="CategoryName" />
</Columns>
<FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#FFCC66" ForeColor="#333333" HorizontalAlign="Center" />
<RowStyle BackColor="#FFFBD6" ForeColor="#333333" />
<SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="Navy" />
<SortedAscendingCellStyle BackColor="#FDF5AC" />
<SortedAscendingHeaderStyle BackColor="#4D0000" />
<SortedDescendingCellStyle BackColor="#FCF6C0" />
<SortedDescendingHeaderStyle BackColor="#820000" />
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthWindConnectionString %>" SelectCommand="SELECT [ProductID], [ProductName], [QuantityPerUnit], [UnitPrice], [UnitsInStock], [UnitsOnOrder], [CategoryName] FROM [Alphabetical list of products]"></asp:SqlDataSource>
</div>
</form>
</body>
</html>
的可能的复制[如何添加新行以编程的DataGridView] (https://stackoverflow.com/questions/10063770/how-to-add-a-new-row-to-datagridview-programmatically) –