private const string connectionStr = @"Data Source=.SQLEXPRESS;AttachDbFilename=D:QianTaoApp_Datadb.mdf;Integrated Security=True;User Instance=True";
protected void Page_Load(object sender, EventArgs e)
if(!IsPostBack)
SetBind();
}
}
protected void rptClass_ItemCommand(object source, RepeaterCommandEventArgs e)
//判断是否添加类别
if (e.CommandName == "AddClass")
TextBox tb = e.Item.FindControl("txtClassName") as TextBox;
using(SqlConnection conn = new SqlConnection(connectionStr))
conn.Open();
using(SqlCommand cmd = new SqlCommand("insert into tb_Class(className) values(@className)", conn))
cmd.Parameters.AddWithValue("@className", tb.Text);
cmd.ExecuteNonQuery();
SetBind();
}
}
}
//判断是否删除类别
if (e.CommandName == "DelClass")
using (SqlConnection conn = new SqlConnection(connectionStr))
conn.Open();
using (SqlCommand cmd = new SqlCommand("delete from tb_Module where classId=@classId;delete from tb_Class where id=@classId", conn))
cmd.Parameters.AddWithValue("@classId", e.CommandArgument);
cmd.ExecuteNonQuery();
SetBind();
}
}
}
//判断是否修改类别
if (e.CommandName == "UpdateClass")
TextBox tb = e.Item.FindControl("txtClassName") as TextBox;
using (SqlConnection conn = new SqlConnection(connectionStr))
conn.Open();
using (SqlCommand cmd = new SqlCommand("update tb_Class set className=@className where id=@id", conn))
cmd.Parameters.AddWithValue("@className", tb.Text);
cmd.Parameters.AddWithValue("@id", e.CommandArgument);
cmd.ExecuteNonQuery();
SetBind();
}
}
}
//判断是否添加模块
if (e.CommandName == "AddModule")
TextBox tb = e.Item.FindControl("txtModuleName") as TextBox;
using (SqlConnection conn = new SqlConnection(connectionStr))
conn.Open();
using (SqlCommand cmd = new SqlCommand("insert into tb_Module(classId,moduleName)values(@classId,@moduleName)", conn))
cmd.Parameters.AddWithValue("@moduleName", tb.Text);
cmd.Parameters.AddWithValue("@classId", e.CommandArgument);
cmd.ExecuteNonQuery();
SetBind();
}
}
}
}
/**//**//**//// <summary>
/// 嵌套repeater的ItemCommand事件
/// </summary>
protected void rptModule_ItemCommand(object source, RepeaterCommandEventArgs e)
//判断是否删除模块
if (e.CommandName == "DelModule")
using (SqlConnection conn = new SqlConnection(connectionStr))
conn.Open();
using (SqlCommand cmd = new SqlCommand("delete from tb_Module where id=@Id;", conn))
cmd.Parameters.AddWithValue("@Id", e.CommandArgument);
cmd.ExecuteNonQuery();
SetBind();
}
}
}
//判断是否修改模块
if (e.CommandName == "UpdateModule")
TextBox tb = e.Item.FindControl("txtModuleName") as TextBox;
using (SqlConnection conn = new SqlConnection(connectionStr))
conn.Open();
using (SqlCommand cmd = new SqlCommand("update tb_Module set moduleName=@Name where id=@id", conn))
cmd.Parameters.AddWithValue("@Name", tb.Text);
cmd.Parameters.AddWithValue("@id", e.CommandArgument);
cmd.ExecuteNonQuery();
SetBind();
}
}
}
}
/**//**//**//// <summary>
/// 绑定Repeater
/// </summary>
private void SetBind()
DataSet ds = new DataSet();
using(SqlConnection conn = new SqlConnection(connectionStr))
SqlDataAdapter adapter =
new SqlDataAdapter("select * from tb_Class",conn);
adapter.Fill(ds);
}
rptClass.DataSource = ds;
rptClass.DataBind();
}
protected void rptClass_ItemDataBound(object sender, RepeaterItemEventArgs e)
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Repeater rpt = e.Item.FindControl("rptModule") as Repeater;
//找到分类Repeater关联的数据项
DataRowView rowv = (DataRowView)e.Item.DataItem;
//提取分类ID
int id = (int)rowv["id"];
DataSet ds = new DataSet();
using (SqlConnection conn = new SqlConnection(connectionStr))
SqlDataAdapter adapter =
new SqlDataAdapter("select * from tb_Module where classId="+ id +"", conn);
adapter.Fill(ds);
}
rpt.DataSource = ds;
rpt.DataBind();
}
}
}
前台页面
<title>嵌套RepeaterDEMO</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Repeater ID="rptClass" runat="server" OnItemCommand="rptClass_ItemCommand" OnItemDataBound="rptClass_ItemDataBound">
<HeaderTemplate>
<table>
<tr style="background-color:yellow">
<td>
添加类别:
<asp:TextBox ID="txtClassName" runat="server">
</asp:TextBox>
<asp:Button ID="btnAddClass" runat="server" CommandName="AddClass" Text="添加" />
</td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr style="background-color:#CCCCCC">
<td>
<asp:Button ID="btnDelClass" CommandArgument='<%# Eval("id") %>' CommandName="DelClass" runat="server" Text="删除类别" />
<asp:TextBox ID="txtClassName" runat="server" Text='<%# Eval("className") %>'>
</asp:TextBox>
<asp:Button ID="btnUpdateClass" CommandArgument='<%# Eval("id") %>' CommandName="UpdateClass" runat="server" Text="修改类别" />
</td>
</tr>
<tr>
<td>
添加模块:
<asp:TextBox ID="txtModuleName" runat="server">
</asp:TextBox>
<asp:Button ID="btnAddModule" runat="server" CommandName="AddModule" CommandArgument='<%# Eval("id") %>' Text="添加" />
</td>
</tr>
<tr>
<td>
<asp:Repeater ID="rptModule" runat="server"
OnItemCommand='rptModule_ItemCommand'>
<ItemTemplate>
<tr>
<td>
-----------------
<asp:Button ID="btnDeleteModule" CommandArgument='<%# Eval("id") %>' CommandName="DelModule" runat="server" Text="删除模块" />
<asp:TextBox ID="txtModuleName" Text='<%# Eval("moduleName") %>' runat="server"></asp:TextBox>
<asp:Button ID="btnUpdateModule" CommandArgument='<%# Eval("id") %>' CommandName="UpdateModule" runat="server" Text="修改模块" />
</td>
</tr>
</ItemTemplate>
</asp:Repeater>
</td>
</tr>
</ItemTemplate>
<FooterTemplate>
</table>
</FooterTemplate>
</asp:Repeater>
</div>
</form>
</body>
</html>