C#在gridview中识别行以便删除
Posted
技术标签:
【中文标题】C#在gridview中识别行以便删除【英文标题】：C# Identifying the Row in a gridview inorder to Delete 【发布时间】：2016-08-22 18:51:05 【问题描述】：我正在做一个项目，我将在其中显示、插入、删除我的访问数据库中的数据。我制作了显示数据库中特定表的按钮。然后我创建了一个 asp 列来在每一行旁边显示删除按钮。我想弄清楚的问题是：我怎样才能拥有它，以便在单击删除按钮时识别特定行，然后我可以删除它？欢迎任何提示或提示。谢谢你。
<body>
<h1 class="center" style="text-align: center" >Display, Delete, and Add</h1>
<h3 id="Title1"></h3>
<style>
.center
margin: 0 auto;
</style>
<form id="form1" runat="server">
<asp:GridView ID="GridView1" class="center" runat="server" Width="300px" >
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:Button ID="btn1" Text="Delete" runat="server" OnClick="btn1_Click"/>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<p>
</p>
<p >
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click1" Text="Courses" />
<asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="Student Information" />
<asp:Button ID="Button3" runat="server" OnClick="Button3_Click" Text="Students" />
</p>
<p>
</p>
<p>
</p>
<p>
</p>
</form>
public partial class _Default : System.Web.UI.Page
OleDbConnection con = new OleDbConnection (@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\achowdhary\Documents\Database1.accdb");
protected void Page_Load(object sender, EventArgs e)
protected void Button1_Click1(object sender, EventArgs e)
OleDbDataAdapter ada = new OleDbDataAdapter(" SELECT * FROM COURSES", con);
DataSet set = new DataSet();
ada.Fill(set, "COURSES");
DataTable tab = new DataTable();
tab = set.Tables["COURSES"];
GridView1.DataSource = tab;
GridView1.DataBind();
protected void Button2_Click(object sender, EventArgs e)
OleDbDataAdapter ada = new OleDbDataAdapter(" SELECT * FROM STUDENT_INFO", con);
DataSet set = new DataSet();
ada.Fill(set, "STUDENT_INFO");
DataTable tab = new DataTable();
tab = set.Tables["STUDENT_INFO"];
GridView1.DataSource = tab;
GridView1.DataBind();
protected void Button3_Click(object sender, EventArgs e)
OleDbDataAdapter ada = new OleDbDataAdapter(" SELECT * FROM STUDENTS", con);
DataSet set = new DataSet();
ada.Fill(set, "STUDENTS");
DataTable tab = new DataTable();
tab = set.Tables["STUDENTS"];
GridView1.DataSource = tab;
GridView1.DataBind();
protected void btn1_Click(object sender, EventArgs e)
//ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('" + "hello" + "');", true);
【问题讨论】：
【参考方案1】：许多可能性，我更喜欢将按钮中的 commandArgument 与您的标识符绑定，并在回发时恢复此值
protected void btn1_Click(object sender, EventArgs e)
var identifier = ((Button)sender).CommandArgument;
<ItemTemplate>
<asp:Button ID="btn1" Text="Delete" runat="server" OnClick="btn1_Click" CommandArgument='<%# Eval("PropertyName") %>'/>
</ItemTemplate>
【讨论】：
以上是关于C#在gridview中识别行以便删除的主要内容，如果未能解决你的问题，请参考以下文章
从 C# 添加新行时如何在 GridView 中添加删除链接？