带有复选框和文本框值的asp.net插入数据库 [英] asp.net with checkbox and textbox values insert into db
本文介绍了带有复选框和文本框值的asp.net插入数据库的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
public partial class _Default : System.Web.UI.Page
{
string str = ConfigurationManager.AppSettings["constr"].ToString();
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
insertdeatails();
}
// string message = string.Empty;
protected void insertdeatails()
{
SqlConnection con = new SqlConnection(str);
SqlCommand cmd = new SqlCommand();
cmd.CommandText = "USP_ONSHOP";
cmd.CommandType = CommandType.StoredProcedure;
SqlParameter name = new SqlParameter("@NAME", SqlDbType.VarChar, 50);
SqlParameter age = new SqlParameter("@AGE", SqlDbType.Int);
SqlParameter phoneno = new SqlParameter("@PHONE_NO", SqlDbType.VarChar, 50);
SqlParameter interestefields = new SqlParameter("@INTERESTED_FIELDS", SqlDbType.VarChar, 50);
SqlParameter regid = new SqlParameter("@REG_ID", SqlDbType.Int);
regid.Direction = ParameterDirection.Output;
SqlParameter success = new SqlParameter("@SUCCESS_PARAMETER", SqlDbType.Int);
success.Direction = ParameterDirection.Output;
SqlParameter error = new SqlParameter("@ERROR_DESC", SqlDbType.VarChar, 50);
error.Direction = ParameterDirection.Output;
message = (string)cmd.Parameters["@ERROR_DESC"].Value;
name.Value = TextBox1.Text.Trim();
age.Value = Convert.ToInt32(TextBox2.Text);
phoneno.Value =TextBox3.Text;
interestefields.Value = CheckBoxList1.SelectedValue;
cmd.Parameters.Add(name);
cmd.Parameters.Add(age);
cmd.Parameters.Add(phoneno);
cmd.Parameters.Add(interestefields);
string insertfields = "";
for (int i = 0; i < CheckBoxList1.Items.Count; i++)
{
if (CheckBoxList1.Items[i].Selected)
{
insertfields += CheckBoxList1.Items[i].Value + ",";
}
}
insertfields = insertfields.TrimEnd(',');
try
{
con.Open();
cmd.ExecuteNonQuery();
}
catch (Exception e)
{
throw e;
}
finally
{
con.Close();
con.Dispose();
}
//cmd.Parameters.Add(new SqlParameter("@NAME", TextBox1.Text.ToString()));
//cmd.Parameters.Add(new SqlParameter("@AGE", TextBox2.Text.ToString()));
//cmd.Parameters.Add(new SqlParameter("@PHONE_NO", TextBox3.Text.ToString()));
//cmd.Parameters.Add(new SqlParameter("@INTERESTED_FIELDS", CheckBoxList1.SelectedValue.ToString()));
//string insertfileds = "";
//for (int i = 0; i < CheckBoxList1.Items.Count; i++)
//{
// if (CheckBoxList1.Items[i].Selected)
// {
// insertfileds += CheckBoxList1.Items[i].Value + ",";
// }
//}
//insertfileds = insertfileds.TrimEnd(',');
//cmd.Connection = con;
//cmd.ExecuteNonQuery();
//foreach (ListItem item in CheckBoxList1.Items)
//{
// string sql = string.Format("insert into CUSTEMER_DETAILS (INTERESTED_FIELDS) values ('{0}')", item.Selected);
// SqlCommand cmd1 = new SqlCommand(sql, con);
// cmd1.CommandType = System.Data.CommandType.Text;
// cmd1.ExecuteNonQuery();
//}
//cmd.Parameters.Add(new SqlParameter("@REG_ID", SqlDbType.Int));
//cmd.Parameters["@REG_ID"].Direction = ParameterDirection.Output;
//cmd.Parameters.Add(new SqlParameter("@SUCCESS_PARAMETER", SqlDbType.Int));
//cmd.Parameters["@SUCCESS_PARAMETER"].Direction = ParameterDirection.Output;
//cmd.Parameters.Add("@ERROR_DESC", SqlDbType.Char, 50);
//cmd.Parameters["@ERROR_DESC"].Direction = ParameterDirection.Output;
//message = (string)cmd.Parameters["@ERROR_DESC"].Value;
}
protected void Button2_Click1(object sender, EventArgs e)
{
TextBox1.Text = "";
TextBox2.Text = "";
TextBox3.Text = "";
foreach (ListItem list in CheckBoxList1.Items)
{
list.Selected = false;
}
}
当我在asp.net c#中执行此编码时,出现以下错误
ExecuteNonQuery:连接属性尚未初始化.
when i execute this coding in asp.net c# i got the below error
ExecuteNonQuery: Connection property has not been initialized.
推荐答案
您缺少..
you missing..
cmd.Connection = con;
您应该在Try {}语句中使用它.
you should use it in your Try{} statement.
检查这一个
好吧,你正在构想
Hi ,
Check this one
Well you are conecction
using (SqlCommand Cmd = new SqlCommand("USP_ONSHOP ", Cn))
{
}
最好的问候
M.Mitwalli
Best Regards
M.Mitwalli
尝试以下
cmd.Connection = con;
检查此处是否在str变量中获得正确的连接字符串
check here that you get proper connection string in str variable
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