如何通过在ASP.NET网格视图中单击行中的按钮来获取行数据
本文关键字:按钮 获取 数据 何通过 单击 NET ASP 网格 视图 | 更新日期: 2023-09-27 17:51:08
我在ASP.NET web应用程序中有一个GridView
,其中每行添加了两个按钮:
<ItemTemplate>
<asp:Button ID="btnEdit" Text="Edit" runat="server" />
<asp:Button ID="btnDelete" Text="Delete" runat="server"/>
</ItemTemplate>
现在,我如何通过单击行中的编辑按钮从gridview中获取行数据?
您也可以使用如下按钮点击事件:
<asp:TemplateField>
<ItemTemplate>
<asp:Button ID="Button1" runat="server" Text="Button"
OnClick="MyButtonClick" />
</ItemTemplate>
</asp:TemplateField>
protected void MyButtonClick(object sender, System.EventArgs e)
{
//Get the button that raised the event
Button btn = (Button)sender;
//Get the row that contains this button
GridViewRow gvr = (GridViewRow)btn.NamingContainer;
}
或
你可以这样做来获取数据:
void CustomersGridView_RowCommand(Object sender, GridViewCommandEventArgs e)
{
// If multiple ButtonField column fields are used, use the
// CommandName property to determine which button was clicked.
if(e.CommandName=="Select")
{
// Convert the row index stored in the CommandArgument
// property to an Integer.
int index = Convert.ToInt32(e.CommandArgument);
// Get the last name of the selected author from the appropriate
// cell in the GridView control.
GridViewRow selectedRow = CustomersGridView.Rows[index];
}
}
和网格视图中的按钮应该有这样的命令并处理rowcommand事件:
<asp:gridview id="CustomersGridView"
datasourceid="CustomersSqlDataSource"
autogeneratecolumns="false"
onrowcommand="CustomersGridView_RowCommand"
runat="server">
<columns>
<asp:buttonfield buttontype="Button"
commandname="Select"
headertext="Select Customer"
text="Select"/>
</columns>
</asp:gridview>
查看MSDN上的完整示例
将commandName
放在.aspx页面中
<asp:Button ID="btnDelete" Text="Delete" runat="server" CssClass="CoolButtons" CommandName="DeleteData"/>
订阅网格的rowCommand
事件,你可以这样尝试,
protected void grdBillingdata_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "DeleteData")
{
GridViewRow row = (GridViewRow)(((Button)e.CommandSource).NamingContainer);
HiddenField hdnDataId = (HiddenField)row.FindControl("hdnDataId");
}
}
<ItemTemplate>
<asp:Button ID="Button1" runat="server" Text="Button"
OnClick="MyButtonClick" />
</ItemTemplate>
和你的方法
protected void MyButtonClick(object sender, System.EventArgs e)
{
//Get the button that raised the event
Button btn = (Button)sender;
//Get the row that contains this button
GridViewRow gvr = (GridViewRow)btn.NamingContainer;
}
是否有任何特定原因需要将按钮放在项目模板中。您也可以通过以下方式进行操作,即为您提供网格行编辑事件的全部功能。您还可以轻松连接取消和删除功能。
标记
<asp:TemplateField HeaderText="Edit">
<ItemTemplate>
<asp:ImageButton ID="EditImageButton" runat="server" CommandName="Edit"
ImageUrl="~/images/Edit.png" Style="height: 16px" ToolTip="Edit"
CausesValidation="False" />
</ItemTemplate>
<EditItemTemplate>
<asp:LinkButton ID="btnUpdate" runat="server" CommandName="Update"
Text="Update" Visible="true" ImageUrl="~/images/saveHS.png"
/>
<asp:LinkButton ID="btnCancel" runat="server" CommandName="Cancel"
ImageUrl="~/images/Edit_UndoHS.png" />
<asp:LinkButton ID="btnDelete" runat="server" CommandName="Delete"
ImageUrl="~/images/delete.png" />
</EditItemTemplate>
<ControlStyle BackColor="Transparent" BorderStyle="None" />
<FooterStyle HorizontalAlign="Center" />
<ItemStyle HorizontalAlign="Center" />
</asp:TemplateField>
代码隐藏
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
GridView1.DataBind();
TextBox txtledName = (TextBox) GridView1.Rows[e.NewEditIndex].FindControl("txtAccountName");
//then do something with the retrieved textbox's text.
}
<asp:TemplateField>
<ItemTemplate>
<asp:LinkButton runat="server" ID="LnKB" Text='edit' OnClick="LnKB_Click" >
</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
protected void LnKB_Click(object sender, System.EventArgs e)
{
LinkButton lb = sender as LinkButton;
GridViewRow clickedRow = ((LinkButton)sender).NamingContainer as GridViewRow;
int x = clickedRow.RowIndex;
int id = Convert.ToInt32(yourgridviewname.Rows[x].Cells[0].Text);
lbl.Text = yourgridviewname.Rows[x].Cells[2].Text;
}
<asp:Button ID="btnEdit" Text="Edit" runat="server" OnClick="btnEdit_Click" CssClass="CoolButtons"/>
protected void btnEdit_Click(object sender, EventArgs e)
{
Button btnEdit = (Button)sender;
GridViewRow Grow = (GridViewRow)btnEdit.NamingContainer;
TextBox txtledName = (TextBox)Grow.FindControl("txtAccountName");
HyperLink HplnkDr = (HyperLink)Grow.FindControl("HplnkDr");
TextBox txtnarration = (TextBox)Grow.FindControl("txtnarration");
//Get the gridview Row Details
}
与删除按钮相同
protected void btnS10_click(object sender, EventArgs e)
{
foreach (GridViewRow row in Grd.Rows)
{
CheckBox chk_Single = (CheckBox)row.FindControl("ChkSendOne");
if (row.RowType == DataControlRowType.DataRow)
{
string id = (row.Cells[0].FindControl("lblSNo") as Label).Text;
if (Convert.ToInt32(id) <= 10)
{
chk_Single.Checked = true;
if (chk_Single.Checked == true)
{
lblSelectedRecord.InnerText = (Convert.ToInt32(lblSelectedRecord.InnerText) + 1).ToString();
}
}
}
}
}