asp.net question for inserting in sql

Question

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String or binary data would be truncated.
The statement has been terminated.

JavaScript

string insert = "Insert into RentInformation (UserName,EmailId,Password,ConfirmPassword,Purpose,AdTitle,ADType,DescriptionofAd,RoomType,PropertyType,Mobileno,Address,Image) values ('"+TextBox12.Text+"','"+TextBox2.Text+"','"+TextBox3.Text+"','"+TextBox4.Text+"','"+DropDownList1.SelectedItem+"','"+TextBox18.Text+"','"+DropDownList4.SelectedItem+"','"+TextBox23.Text+"','"+DropDownList5.SelectedItem+"','"+DropDownList6.SelectedItem+"','"+TextBox19.Text+"','"+TextBox20.Text+"','"+Image1.ImageUrl+"') select Purpose from Base where Purpose ='"+DropDownList1.SelectedItem+"' ";


Line 118:            cmd = new SqlCommand(insert,con);
Line 119:            cmd.ExecuteNonQuery();<big> this line generate Exception</big>
Line 120:            con.Close();
Line 121:            Response.Write("<script>alert('insert in RentInformation')</script>");

Posted 18-Sep-12 1:57am

M@anish

Updated 18-Sep-12 2:01am

Kenneth Haugland

v2

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Comments

Richard MacCutchan 18-Sep-12 8:04am

This is a good example of the worst way to code SQL queries. Google for "SQL injection" and rewrite in the recommended form before trying again.

M@anish 18-Sep-12 8:06am

Hi Sir I m not getting your Point so please Guide me

Richard MacCutchan 18-Sep-12 8:14am

I just did; go to Google and type in "SQL injection". You will then find some links that explain why your code is written badly, and how to do it properly. When you have learned how to use SQL in the correct way you may even find that your program works.

Sravanthid28 18-Sep-12 8:07am

once check your query string

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Abhijit Parab · Accepted Answer · 2012-09-18T02:04:00

Hi,

This error occurs when you try insert data into the table more then the specified size of the column.
Check in which field you are trying to insert value whose size is more then the desfined size in databsae.

Like column Purpose is having size Varchar(10) and you are trying to insert value more then 10 then this error because it exceeds the defined size.