我有四个文本框,两个按钮,一个网格视图和一个复选框,我在每个文本框上放置了需要字段验证,我有一个数据库,这样当我在文本框中输入值并按下提交按钮时,数据存储在数据库中并在我使用数据表时显示在网格中。我现在在我的网格视图中编辑、删除和更新链接,当我单击显示的编辑或删除链接验证错误消息时,我不会在我的网格中进行更改。谁可以帮我这个事。
提前致谢
我的aspx代码:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body style="height: 191px">
<form id="form1" runat="server">
<div>
<table class="style1">
<tr>
<td class="style3">
FirstName</td>
<td>
<asp:TextBox ID="tFirstName" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="tFirstName" ErrorMessage="Enter First Name">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style3">
Last name</td>
<td>
<asp:TextBox ID="tLastName" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
ControlToValidate="tLastName" ErrorMessage="Enter Last Name">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style3">
Age</td>
<td>
<asp:TextBox ID="tAge" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ControlToValidate="tAge" ErrorMessage="" dalega">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style7">
Is Active</td>
<td class="style8">
<asp:CheckBox ID="dropActive" runat="server" />
</td>
</tr>
<tr>
<td class="style3">
Auto ID</td>
<td>
<asp:TextBox ID="autoID" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server"
ControlToValidate="autoID" ErrorMessage="Marzi hai teri">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style6">
</td>
<td class="style5">
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Sumit" ValidationGroup="abc"/>
<input type="reset" />
<br />
<asp:ValidationSummary ID="ValidationSummary1" runat="server" Height="72px" />
</td>
</tr>
<tr>
<td class="style4" colspan="2">
<asp:Label ID="lblMessage" runat="server" ForeColor="Green" EnableViewState="false" />
<asp:GridView ID="GridView1" runat="server" CellPadding="4" ForeColor="#333333" GridLines="None" AutoGenerateColumns="false" Width="36%" OnRowEditing="EditRow" OnRowCancelingEdit="CancelEditRow" OnRowUpdating="UpdateRow" DataKeyNames="AutoId" OnRowDeleting="DeleteRow" AllowPaging="true" OnPageIndexChanging="ChangePage" AllowSorting="True">
<Columns>
<asp:TemplateField HeaderText="Edit">
<ItemTemplate>
<asp:LinkButton ID="lnkEdit" runat="server" Text="Edit" CommandName="Edit" />
</ItemTemplate>
<EditItemTemplate>
<asp:LinkButton ID="lnkUpdate" runat="server" Text="Update" CommandName="Update" />
<asp:LinkButton ID="lnkCancel" runat="server" Text="Cancel" CommandName="Cancel" />
</EditItemTemplate>
</asp:TemplateField>
<asp:BoundField HeaderText="AutoId" DataField="AutoId" ReadOnly="true" />
<asp:TemplateField HeaderText="First Name">
<ItemTemplate>
<%# Eval("FirstNAme") %></ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtFirstName" runat="server" Text='<%# Eval("FirstName") %>'/>
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Last Name">
<ItemTemplate>
<%# Eval("LastName") %></ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtLastName" runat="server" Text='<%# Eval("LastName") %>'/>
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Age">
<ItemTemplate>
<%# Eval("Age") %></ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtAge" runat="server" Text='<%# Eval("Age") %>' Columns="3" />
<asp:RequiredFieldValidator ID="REw" runat="server" ControlToValidate="txtAge" Text="*" />
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Is Active?">
<ItemTemplate>
<%# Eval("Active").ToString().Equals("True") ? "Yes" : "No" %>
</ItemTemplate>
<HeaderStyle HorizontalAlign="Left" />
<EditItemTemplate>
<asp:DropDownList ID="dropActive" runat="server" SelectedValue='<%# Eval("Active") %>'>
<asp:ListItem Text="Yes" Value="True" />
<asp:ListItem Text="No" Value="False" />
</asp:DropDownList>
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Delete?">
<ItemTemplate>
<span onclick="return confirm('Are you sure to delete?')">
<asp:LinkButton ID="lnkDelete" runat="server" Text="Delete" ForeColor="Red" CommandName="Delete" />
</span>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<AlternatingRowStyle BackColor="White" />
<EditRowStyle BackColor="#efefef" />
<FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<RowStyle BackColor="#EFF3FB" />
<SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
<SortedAscendingCellStyle BackColor="#F5F7FB" />
<SortedAscendingHeaderStyle BackColor="#6D95E1" />
<SortedDescendingCellStyle BackColor="#E9EBEF" />
<SortedDescendingHeaderStyle BackColor="#4870BE" />
</asp:GridView>
</table>
</div>
</form>
</body>
</html>
aspx.cs 的代码:
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
PopulateData();
}
}
protected void EditRow(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
this.PopulateData();
}
protected void CancelEditRow(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
this.PopulateData();
}
protected void DeleteRow(object sender, GridViewDeleteEventArgs e)
{
var autoID = GridView1.DataKeys[e.RowIndex].Value;
using (SqlConnection conn = new SqlConnection("Data Source=.;Initial Catalog=EMS;Integrated Security=True"))
{
string sql = "Delete from PersonalDetail" +" where AutoId = @AutoId";
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
cmd.Parameters.AddWithValue("@AutoId", autoID);
conn.Open();
cmd.ExecuteNonQuery();
conn.Close();
}
}
lblMessage.Text ="Record has been deleted successfully !";
lblMessage.ForeColor = System.Drawing.
Color.Red;
this.PopulateData();
}
protected void ChangePage(object sender, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex;
this.PopulateData();
}
protected void UpdateRow(object sendedr, GridViewUpdateEventArgs e)
{
var autoID = GridView1.DataKeys[e.RowIndex].Value;
GridViewRow row = GridView1.Rows[e.RowIndex] as GridViewRow;
TextBox tFirstName = row.FindControl("txtFirstName") as TextBox;
TextBox tLastName = row.FindControl("txtLastName") as TextBox;
TextBox tAge = row.FindControl("txtAge") as TextBox;
DropDownList dropActive = row.FindControl("dropActive") as DropDownList;
using (SqlConnection conn = new SqlConnection("Data Source=.;Initial Catalog=EMS;Integrated Security=True"))
{
string sql = "Update PersonalDetail set FirstName = @FirstName,LastName=@LastName, Age= @Age, Active = @Active" + " where AutoId = @AutoId";
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
cmd.Parameters.AddWithValue("@FirstName", tFirstName.Text.Trim());
cmd.Parameters.AddWithValue("@LastName", tLastName.Text.Trim());
cmd.Parameters.AddWithValue("@Age", tAge.Text.Trim());
cmd.Parameters.AddWithValue("@Active", dropActive.SelectedValue);
cmd.Parameters.AddWithValue("@AutoId", autoID);
conn.Open();
cmd.ExecuteNonQuery();
conn.Close();
}
}
lblMessage.Text ="Record updated successfully !";
GridView1.EditIndex = -1;
this.PopulateData();
}
private void PopulateData()
{
DataTable table = new DataTable();
using (SqlConnection conn = new SqlConnection("Data Source=.;Initial Catalog=EMS;Integrated Security=True"))
{
string sql = "Select * from PersonalDetail";
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
using (SqlDataAdapter ad = new SqlDataAdapter(cmd))
{
ad.Fill(table);
}
}
}
GridView1.DataSource = table;
GridView1.DataBind();
}
protected void Button1_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(@"Data Source=.;Initial Catalog=EMS;Integrated Security=True");
con.Open();
string FirstName = tFirstName.Text;
string LastName = tLastName.Text;
string Age = tAge.Text;
string Active = dropActive.Text;
string AutoId = autoID.Text;
using (SqlCommand cmd = con.CreateCommand())
{
cmd.CommandText = "insert into PersonalDetail(FirstName,LastName,Age,Active,AutoId) values('" + FirstName + "','" + LastName + "','" + Age + "','" + Active + "','" + AutoId + "')";
cmd.Parameters.AddWithValue("@FirstName", tFirstName.Text.Trim());
cmd.Parameters.AddWithValue("@LastName", tLastName.Text.Trim());
cmd.Parameters.AddWithValue("@Age", tAge.Text.Trim());
cmd.Parameters.AddWithValue("@Active", dropActive.Text.Trim());
cmd.Parameters.AddWithValue("@AutoId", autoID.Text.Trim());
cmd.ExecuteNonQuery();
}
con.Close();
tFirstName.Text = string.Empty;
tLastName.Text = string.Empty;
tAge.Text = string.Empty;
dropActive.Text = string.Empty;
tFirstName.Focus();
}