如何使用比较验证器验证时间?
我有一个可编辑的gridview,包含2列时间Start&结束时间,我想验证他们明星时间必须早于结束时间.我有24小时格式.
例如如果我输入开始时间:20:30,结束时间是19:30,它应该给我错误并阻止我更新行
解决方法
只是你可以试试这个
在aspx代码中
<div> <asp:GridView ID="gvDetails" DataKeyNames="EventID,EventName" runat="server" AutoGenerateColumns="false" CssClass="Gridview" HeaderStyle-BackColor="#61A6F8" ShowFooter="true" HeaderStyle-Font-Bold="true" HeaderStyle-ForeColor="White" OnRowCancelingEdit="gvDetails_RowCancelingEdit" OnRowDeleting="gvDetails_RowDeleting" OnRowEditing="gvDetails_RowEditing" OnRowUpdating="gvDetails_RowUpdating" OnRowCommand="gvDetails_RowCommand"> <Columns> <asp:TemplateField> <EditItemTemplate> <asp:ImageButton ID="imgbtnUpdate" CommandName="Update" runat="server" ImageUrl="~/Images/update.jpg" ToolTip="Update" Height="20px" Width="20px" /> <asp:ImageButton ID="imgbtnCancel" runat="server" CommandName="Cancel" ImageUrl="~/Images/Cancel.jpg" ToolTip="Cancel" Height="20px" Width="20px" /> </EditItemTemplate> <ItemTemplate> <asp:ImageButton ID="imgbtnEdit" CommandName="Edit" runat="server" ImageUrl="~/Images/Edit.jpg" ToolTip="Edit" Height="20px" Width="20px" /> <asp:ImageButton ID="imgbtnDelete" CommandName="Delete" Text="Edit" runat="server" ImageUrl="~/Images/delete.jpg" ToolTip="Delete" Height="20px" Width="20px" /> </ItemTemplate> <FooterTemplate> <asp:ImageButton ID="imgbtnAdd" runat="server" ImageUrl="~/Images/AddNewitem.jpg" CommandName="AddNew" Width="30px" Height="30px" ToolTip="Add new User" ValidationGroup="validaiton" /> </FooterTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="EventName"> <EditItemTemplate> <asp:Label ID="lbleditusr" runat="server" Text='<%#Eval("EventName") %>' /> </EditItemTemplate> <ItemTemplate> <asp:Label ID="lblitemUsr" runat="server" Text='<%#Eval("EventName") %>' /> </ItemTemplate> <FooterTemplate> <asp:TextBox ID="txtftrusrname" runat="server" /> <asp:requiredFieldValidator ID="rfvEventName" runat="server" ControlTovalidate="txtftrusrname" Text="*" ValidationGroup="validaiton" /> </FooterTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="StartTime"> <EditItemTemplate> <asp:TextBox ID="txtStartTime" runat="server" Text='<%#Eval("StartTime") %>' /> </EditItemTemplate> <ItemTemplate> <asp:Label ID="lblStartTime" runat="server" Text='<%#Eval("StartTime") %>' /> </ItemTemplate> <FooterTemplate> <asp:TextBox ID="txtftrStartTime" runat="server" /> <asp:requiredFieldValidator ID="rfvstartTime" runat="server" ControlTovalidate="txtftrStartTime" Text="*" ValidationGroup="validaiton" /> </FooterTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="EndTime"> <EditItemTemplate> <asp:TextBox ID="txtstate" runat="server" Text='<%#Eval("EndTime") %>' /> </EditItemTemplate> <ItemTemplate> <asp:Label ID="lblstate" runat="server" Text='<%#Eval("EndTime") %>' /> </ItemTemplate> <FooterTemplate> <asp:TextBox ID="txtftrEndTime" runat="server" /> <asp:requiredFieldValidator ID="rfvendTime" runat="server" ControlTovalidate="txtftrEndTime" Text="*" ValidationGroup="validaiton" /> </FooterTemplate> </asp:TemplateField> </Columns> </asp:GridView> </div>
在代码背后
protected void gvDetails_RowCommand(object sender,GridViewCommandEventArgs e) { if (e.CommandName.Equals("AddNew")) { TextBox txtUsrname = (TextBox)gvDetails.FooterRow.FindControl("txtftrusrname"); TextBox txtStartTime = (TextBox)gvDetails.FooterRow.FindControl("txtftrStartTime"); TextBox txtEndTime = (TextBox)gvDetails.FooterRow.FindControl("txtftrEndTime"); if (Convert.ToDateTime(txtEndTime.Text.Trim().ToString()) <= Convert.ToDateTime(txtStartTime.Text.Trim().ToString())) { lblresult.Text = "Please enter valid end time"; } else { con.open(); sqlCommand cmd = new sqlCommand( "insert into tblEvents(EventName,StartTime,EndTime) values('" + txtUsrname.Text + "','" + txtStartTime.Text + "','" + txtEndTime.Text + "')",con); int result = cmd.ExecuteNonQuery(); con.Close(); if (result == 1) { BindEmployeeDetails(); lblresult.ForeColor = Color.Green; lblresult.Text = txtUsrname.Text + " Details inserted successfully"; } else { lblresult.ForeColor = Color.Red; lblresult.Text = txtUsrname.Text + " Details not inserted"; } } } }
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