我尝试为gridview实现编辑和更新按钮的代码，但它似乎对我不起作用。我根据我的要求添加了我的代码，但它无法正常工作。请参阅参考的gridview代码： -
<asp:GridView ID="grdCSRPageData" runat="server" Width="100%" border="1" Style="border: 1px solid #E5E5E5;" CellPadding="3" AutoGenerateColumns="False" OnDataBound="grdCSRPageData_DataBound" AllowPaging="true" CssClass="hoverTable" OnPageIndexChanging="grdCSRPageData_PageIndexChanging" DataKeyNames="Id" OnRowDeleting="grdCSRPageData_RowDeleting" PageSize="4" ShowFooter="true" OnRowUpdating="grdCSRPageData_RowUpdating" OnRowEditing="grdCSRPageData_RowEditing" OnRowCancelingEdit="grdCSRPageData_RowCancelingEdit">
<AlternatingRowStyle BackColor="#CCCCCC" />
<Columns>
<asp:BoundField DataField="page_title" HeaderText="Page Title" ItemStyle-Width="30" />
<asp:BoundField DataField="page_description" HeaderText="Page Description" ItemStyle-Width="30" />
<asp:BoundField DataField="meta_title" HeaderText="Meta Title" ItemStyle-Width="30" />
<asp:BoundField DataField="meta_keywords" HeaderText="Meta Keywords" ItemStyle-Width="30" />
<asp:BoundField DataField="meta_description" HeaderText="Meta Description" ItemStyle-Width="30" />
<asp:BoundField DataField="Active" HeaderText="Active" ItemStyle-Width="30" />
<asp:TemplateField HeaderText="Action" HeaderStyle-Width="15%">
<EditItemTemplate>
<asp:LinkButton ID="lbtnUpdate" runat="server" CommandName="Update" Text="Update" />
<asp:LinkButton ID="lbtnCancel" runat="server" CommandName="Cancel" Text="Cancel" />
</EditItemTemplate>
<ItemTemplate>
<asp:ImageButton ID="btnEdit" runat="server" ImageUrl="~/images/edit.png" Width="15" Height="15" CommandName="Edit" />
<asp:ImageButton ID="btnDelete" AlternateText="Delete" ImageUrl="~/images/delete.png" runat="server" Width="15" Height="15" CommandName="Delete" CommandArgument='<%# Eval("Id") %>' CausesValidation="false" OnClientClick="return confirm('Are you sure you want to delete this record?')" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
另请参阅每个编辑/更新事件背后的代码。
protected void grdCSRPageData_RowEditing(object sender, GridViewEditEventArgs e)
{
grdCSRPageData.EditIndex = e.NewEditIndex;
grdCSRPageData.DataBind();
}
protected void grdCSRPageData_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
bool IsUpdated = false;
int Id = Convert.ToInt32(grdCSRPageData.DataKeys[e.RowIndex].Value.ToString());
TextBox PageTitle = (TextBox)grdCSRPageData.Rows[e.RowIndex].FindControl("txtPageTitle");
TextBox PageDesc = (TextBox)grdCSRPageData.Rows[e.RowIndex].FindControl("txtPagedesc");
TextBox MetaTitle = (TextBox)grdCSRPageData.Rows[e.RowIndex].FindControl("txtmetatitle");
TextBox Metakeywords = (TextBox)grdCSRPageData.Rows[e.RowIndex].FindControl("txtMetakeywords");
TextBox Metadesc = (TextBox)grdCSRPageData.Rows[e.RowIndex].FindControl("txtMetadesc");
DropDownList ddlActive = (DropDownList)grdCSRPageData.Rows[e.RowIndex].FindControl("ddlActiveInactive");
using (SqlConnection conn = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["DefaultCSRConnection"].ConnectionString))
{
using (SqlCommand cmd = new SqlCommand())
{
cmd.CommandText = "UPDATE tbl_Pages SET page_title=@page_title,page_description=@page_description,meta_title=@meta_title,meta_keywords=@meta_keywords,meta_description=@meta_description,Active=@Active WHERE Id=@Id";
cmd.Parameters.AddWithValue("@Id", Id);
cmd.Parameters.AddWithValue("@page_title", txtPageTitle.Text);
cmd.Parameters.AddWithValue("@page_description", txtPagedesc.Text);
cmd.Parameters.AddWithValue("@meta_title", txtmetatitle.Text);
cmd.Parameters.AddWithValue("@meta_keywords", txtMetakeywords.Text);
cmd.Parameters.AddWithValue("@meta_description", txtMetadesc.Text);
cmd.Parameters.AddWithValue("@Active", Convert.ToBoolean(ddlActiveInactive.SelectedValue));
cmd.Connection = conn;
conn.Open();
IsUpdated = cmd.ExecuteNonQuery() > 0;
conn.Close();
}
}
if (IsUpdated)
{
ScriptManager.RegisterStartupScript(this, this.GetType(), "alert", "alert('page updated sucessfully');window.location ='csrpage.aspx';", true);
}
else
{
//Error Message
}
grdCSRPageData.EditIndex = -1;
grdCSRPageData.DataBind();
}
protected void grdCSRPageData_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
grdCSRPageData.EditIndex = -1;
grdCSRPageData.DataBind();
}
请帮忙。
答案 0 :(得分：0)
使用'CommandField'获取编辑解决方案： - 请参阅GridView HTML
<asp:GridView ID="grdCSRPageData" runat="server" Width="100%" border="1" Style="border: 1px solid #E5E5E5;" CellPadding="3" AutoGenerateColumns="False" OnDataBound="grdCSRPageData_DataBound" AllowPaging="true" CssClass="hoverTable" OnPageIndexChanging="grdCSRPageData_PageIndexChanging" DataKeyNames="Id" OnRowDeleting="grdCSRPageData_RowDeleting" PageSize="5" ShowFooter="true" OnRowEditing="grdCSRPageData_RowEditing" OnRowUpdating="grdCSRPageData_RowUpdating" OnRowCancelingEdit="grdCSRPageData_RowCancelingEdit">
<AlternatingRowStyle BackColor="#CCCCCC" />
<Columns>
<asp:BoundField DataField="page_title" HeaderText="Page Title" ItemStyle-Width="30" ControlStyle-CssClass="k-grid td" />
<asp:BoundField DataField="page_description" HeaderText="Page Description" ItemStyle-Width="30" ControlStyle-CssClass="k-grid td" />
<asp:BoundField DataField="meta_title" HeaderText="Meta Title" ItemStyle-Width="30" ControlStyle-CssClass="k-grid td" />
<asp:BoundField DataField="meta_keywords" HeaderText="Meta Keywords" ItemStyle-Width="30" ControlStyle-CssClass="k-grid td" />
<asp:BoundField DataField="meta_description" HeaderText="Meta Description" ItemStyle-Width="30" ControlStyle-CssClass="k-grid td" />
<asp:BoundField DataField="Active" HeaderText="Active" ItemStyle-Width="30" ControlStyle-CssClass="k-grid td" />
<asp:TemplateField HeaderText="Action" HeaderStyle-Width="15%">
<ItemTemplate>
<asp:ImageButton ID="btnDelete" AlternateText="Delete" ImageUrl="~/images/delete.png" runat="server" Width="15" Height="15" CommandName="Delete" CommandArgument='<%# Eval("Id") %>' CausesValidation="false" OnClientClick="return confirm('Are you sure you want to delete this record?')" />
</ItemTemplate>
</asp:TemplateField>
<asp:CommandField ButtonType="Image" ItemStyle-Width="15" EditImageUrl="~/images/edit.png" ShowEditButton="True" ControlStyle-Width="15" ControlStyle-Height="15" CancelImageUrl="~/images/close.png" UpdateImageUrl="~/images/update.png">
<ControlStyle Height="20px" Width="20px"></ControlStyle>
</asp:CommandField>
</Columns>
</asp:GridView>
另请参阅背后的代码供您参考： -
protected void grdCSRPageData_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
bool IsUpdated = false;
//getting key value, row id
int Id = Convert.ToInt32(grdCSRPageData.DataKeys[e.RowIndex].Value.ToString());
//get all the row field detail here by replacing id's in FindControl("")..
GridViewRow row = grdCSRPageData.Rows[e.RowIndex];
TextBox PageTitle = ((TextBox)(row.Cells[0].Controls[0]));
TextBox PageDesc = ((TextBox)(row.Cells[1].Controls[0]));
TextBox MetaTitle = ((TextBox)(row.Cells[2].Controls[0]));
TextBox Metakeywords = ((TextBox)(row.Cells[3].Controls[0]));
TextBox Metadesc = ((TextBox)(row.Cells[4].Controls[0]));
TextBox ddlActive = ((TextBox)(row.Cells[5].Controls[0]));
using (SqlConnection conn = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["DefaultCSRConnection"].ConnectionString))
{
SqlCommand cmd = new SqlCommand();
cmd.CommandText = "UPDATE tbl_Pages SET page_title=@page_title,page_description=@page_description,meta_title=@meta_title,meta_keywords=@meta_keywords,meta_description=@meta_description,Active=@Active WHERE Id=@Id";
cmd.Parameters.AddWithValue("@Id", Id);
cmd.Parameters.AddWithValue("@page_title", PageTitle.Text);
cmd.Parameters.AddWithValue("@page_description", PageDesc.Text);
cmd.Parameters.AddWithValue("@meta_title", MetaTitle.Text);
cmd.Parameters.AddWithValue("@meta_keywords", Metakeywords.Text);
cmd.Parameters.AddWithValue("@meta_description", Metadesc.Text);
cmd.Parameters.AddWithValue("@Active", ddlActive.Text == "1" ? true : false);
cmd.Connection = conn;
conn.Open();
IsUpdated = cmd.ExecuteNonQuery() > 0;
conn.Close();
}
if (IsUpdated)
{
ScriptManager.RegisterStartupScript(this, this.GetType(), "alert", "alert('page updated sucessfully');window.location ='csrpage.aspx';", true);
BindGrid();
}
else
{
//Error while updating details
grdCSRPageData.EditIndex = -1;
//bind gridview here..
grdCSRPageData.DataBind();
}
}