No mapping exists from object type System.Web.UI.WebControls.TextBox to a known managed provider native type.

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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
Please help me urgent

C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.SqlClient;
using System.Data;
using System.Web.Configuration;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class Register : System.Web.UI.Page
{
    
      
    protected void Button1_Click(object sender, EventArgs e)
    {
         SqlConnection con = new SqlConnection();
        con.ConnectionString = WebConfigurationManager.AppSettings["ConnectionString"];
  SqlCommand cmd=new SqlCommand("insert into register values(@name,@address,@password,@confirmpassword)",con);
  
        cmd.Parameters.AddWithValue("@name",TextBox1);
        cmd.Parameters.AddWithValue("@address", TextBox2);
        cmd.Parameters.AddWithValue("@password", TextBox3);
        cmd.Parameters.AddWithValue("@confirmpassword", TextBox4);
        con.Open();
        cmd.ExecuteNonQuery();
        con.Close();
       }
}

Source Error:
error at line 26

Line 24: cmd.Parameters.AddWithValue("@confirmpassword", TextBox4);
Line 25: con.Open();
Line 26: cmd.ExecuteNonQuery();
Line 27: con.Close();

Posted 3-Jun-12 23:28pm

amperayani

Updated 26-Jun-18 2:39am

Sebastian T Xavier

v3

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Member 10347358 24-Nov-13 7:05am

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
using System.Configuration;
public partial class Registration : System.Web.UI.Page
{
string str = ConfigurationManager.ConnectionStrings["connect"].ConnectionString;
protected void Page_Load(object sender, EventArgs e)
{

}
protected void Button1_Click(object sender, EventArgs e)
{

SqlConnection con = new SqlConnection(str);
con.Open();
SqlCommand cmd = new SqlCommand("insert into Login(Uname,LastName,Pass,Usertype,Email,Mobile,CollegeId,CurrentAddress,PermanentAddress,DOB,Gender,Branch,ImageId) values(@1,@2,@3,@5,@6,@7,@8,@,@9,@10,@11,@12,@13,@14)",con);
cmd.Parameters.AddWithValue("@1", TextBox1.Text);
cmd.Parameters.AddWithValue("@2", TextBox2.Text);
cmd.Parameters.AddWithValue("@3", TextBox3.Text);
cmd.Parameters.AddWithValue("@5", DropDownList1.SelectedValue);
cmd.Parameters.AddWithValue("@6", TextBox4.Text);
cmd.Parameters.AddWithValue("@7", TextBox5.Text);
cmd.Parameters.AddWithValue("@8", TextBox6.Text);
cmd.Parameters.AddWithValue("@9", TextBox7.Text);
cmd.Parameters.AddWithValue("@10", TextBox8.Text);
cmd.Parameters.AddWithValue("@11", Calendar1.SelectedDate.ToShortDateString());
cmd.Parameters.AddWithValue("@12", CheckBoxList1.SelectedValue);
cmd.Parameters.AddWithValue("@13", DropDownList2.SelectedValue);
if(FileUpload1.HasFile)
{
FileUpload1.SaveAs(Server.MapPath("~/images/")+FileUpload1.FileName);
}
cmd.Parameters.AddWithValue("@14",FileUpload1.FileName );
int j=cmd.ExecuteNonQuery();
con.Close();
Response.Redirect("Login.aspx");

}
}

Member 10347358 24-Nov-13 7:06am

Anyone please tell me the error i just can't get it
and getting this error again and again
No mapping exists from object type System.Web.UI.WebControls.RadioButtonList to a known managed provider native type

Member 14935968 29-Sep-20 12:06pm

Have get the solution?

2 solutions

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Sebastian T Xavier · Accepted Answer · 2012-06-04T02:06:00

Solution 1

please change your code as follows....

C#

cmd.Parameters.AddWithValue("@name",TextBox1.Text);
cmd.Parameters.AddWithValue("@address", TextBox2.Text);
cmd.Parameters.AddWithValue("@password", TextBox3.Text);
cmd.Parameters.AddWithValue("@confirmpassword", TextBox4.Text);

Regards
Sebastian

Posted 4-Jun-12 2:06am

Sebastian T Xavier

Comments

amperayani 4-Jun-12 8:12am

thanks i got it

Member 10860948 13-Jul-14 3:17am

Thanks i also got it.....
:-)

From:
Pragnesh P. Patel- P3

taha bahraminezhad Jooneghani · Accepted Answer · 2012-06-04T02:16:00

Solution 2

you have to set the text of a texbox not a control,

the correct is:

C#

cmd.Parameters.AddWithValue("@name",TextBox1.Text);

Posted 4-Jun-12 2:16am

taha bahraminezhad Jooneghani

Comments

Sebastian T Xavier 4-Jun-12 8:17am

already solved :D

taha bahraminezhad Jooneghani 4-Jun-12 8:51am

when i press the add solution button there isn't a solution only 6min:)
god damn google+ because distracts me!:)