我不知道如何在Javascript中设置hiddenField的值.有人可以告诉我该怎么做吗？
使用Javascript:
document.getElementById('hdntxtbxTaksit').value = "";
HTML:
<asp:HiddenField ID="hdntxtbxTaksit" runat="server" Value="" Visible="false"> </asp:HiddenField>
错误:"无法获取属性值''的值:'对象为空或未定义"
我正在开发asp.net web项目.当我运行项目时,它正常工作.但在服务器中,我收到以下错误.如何解决这个问题呢？
Using themed css files requires a header control on the page. (e.g. `<head runat="server" />`).
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. How to solve this problem?
Exception Details: System.InvalidOperationException: Using themed css files requires a header control on the page. (e.g. `<head runat="server" />`).
Source Error:
An unhandled exception was generated during the …我发送这些参数我的脚本:纬度:41.0186经度:28.964701(它是样本).我想找到最近的位置的名字.这该怎么做？(查询必须更改代码的地方)
Sql查询:
SELECT Name FROM Location
WHERE Latitude = 41.0186 AND longitude= 28.964701
位置表喜欢这样:(实际上,这是巨大的表)
Latitude longitude Name
41.0200500000 40.5234490000 a
41.0185714000 37.0975924000 b
41.0184913000 34.0373739000 c
41.0166667000 39.5833333000 d
41.0166667000 28.9333333000 e
ROOT
A
B
C
D
E
T
F
G
X
我想找到E Node的父节点(它是5号).然后,我将保存节点.如果number更小5.我在Asp.net控件中使用TreeView.
当用户在Telerik Rad Grid中选择一行时,我想在此行中获取字段.这该怎么做？
我正在XmlTextWriter我的项目中使用课程.我不知道,如何在Xml中使用CDATA.谁能帮我？
objX.WriteElementString("category", c.DeepestCategoryName);
我想将新项添加到字符串数组或我可以保留在列表中.有人可以说明如何做到这一点？
string sourceDir = "C:\\Users\\ozkan\\Desktop\\foto\\"
string[] picList;
string pattern = "*.jpg|*.png|*.gif";
string[] filters = pattern.Split('|');
foreach (string filter in filters)
{
// I want to collect all files url in picList
// Directory.GetFiles returns string array
picList = Directory.GetFiles(sourceDir, filter);
}
我想"\"用空字符串替换.我尝试过很多东西但是没有用.
像这样的MyText test/test\test:test*test?test"test<test>test|test
MyText.Replace("\\\"", "").Replace("\\", "").Replace("\"", "").Replace("\\", "");
如何正确地做到这一点？
当我试图编译我的asp.net网站项目时,我收到此错误.
用户代码未处理invalidCastException
protected void Button1_Click(object sender, EventArgs e)
{
SqlCommand cmd = new SqlCommand("Sp_Kullanici_Ekle ", con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@ad", SqlDbType.NChar, 50).Value = TextBox_ad;
cmd.Parameters.Add("@soyad", SqlDbType.NChar, 50).Value = TextBox_soyad;
cmd.Parameters.Add("@tel", SqlDbType.NChar, 50).Value = TextBox_no;
cmd.Parameters.Add("@adres", SqlDbType.NChar, 50).Value = TextBox_adres;
cmd.Parameters.Add("@email", SqlDbType.NChar, 50).Value = TextBox_mail;
cmd.Parameters.Add("@sifre", SqlDbType.NChar, 50).Value = TextBox_sifre;
cmd.Parameters.Add("@kredikart", SqlDbType.NChar, 50).Value = TextBox_kredikart;
con.Open();
cmd.ExecuteNonQuery(); // this step gives error
con.Close();
}
它是sql方面
ALTER PROCEDURE [dbo].[Sp_Kullanici_Ekle]
(
@ad nvarchar(50),
@soyad nvarchar(50),
@tel nvarchar(50),
@adres nvarchar(50),
@email nchar(50),
@sifre nvarchar(50), …这是代码.
void sendMail()
{
MailMessage mail = new MailMessage();
mail.To.Add("abc@gmail.com");
mail.From = new MailAddress("abc@gmail.com", txt_name.Text);
mail.Subject = txt_subject.Text;
mail.Body = txt_body.Text;
SmtpClient smtp = new SmtpClient("smtp.gmail.com");
smtp.EnableSsl = true;
NetworkCredential yetki = new NetworkCredential("abc@gmail.com", "11111111");
smtp.Credentials = yetki;
smtp.Send(mail);
Response.Write("mailiniz ba?ar?l? bir ?ekilde gönderilmi?tir");
}
protected void btn_gonder_Click(object sender, EventArgs e)
{
sendMail();
}
c# ×8
asp.net ×7
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.net ×1
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sql ×1
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