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QuestionError C# : Conversion failed when converting the nvarchar value 'd' to data type int. Pin
Hodamdi11-Mar-13 22:31
Hodamdi11-Mar-13 22:31 
Hi I want to insert data from some text box to table of sqldatabase but some field is int and some one is nvarchar how to convert text of text box to them i do below code but i have

constr = "Data Source=SAFA4-PC;Initial Catalog=StudentDb;Integrated Security=True";
System.Data.SqlClient.SqlConnection Conn = new System.Data.SqlClient.SqlConnection();
Conn.ConnectionString = constr;
Conn.Open();
System.Data.SqlClient.SqlCommand Comm = new System.Data.SqlClient.SqlCommand();
Comm.CommandText = "insert into Tbl_Student (Code ,Name ,LastName ,CityCode ,Address ,BirthDay ,FatherName ,ID,CodeMeli,tel ) values( @Code,@Name,@LastName,@FatherName,@Id,@MeliCode,@Tel,@Address,@BirthDay,@CityCombo)";
Comm.CommandType = System.Data.CommandType.Text;
Comm.Connection = Conn;
Comm.Parameters.Add("@Code", SqlDbType.Int);//, int.Parse(StudentCode.Text));
Comm.Parameters["@Code"].Value = int.Parse(StudentCode.Text);
Comm.Parameters.Add("@Name", SqlDbType.NVarChar);//Name.Text);
Comm.Parameters["@Name"].Value = Name.Text;
Comm.Parameters.Add("@LastName", SqlDbType.NVarChar);// LastName.Text);
Comm.Parameters["@LastName"].Value = LastName.Text;
Comm.Parameters.Add("@FatherName", SqlDbType.NVarChar);// FatherName.Text);
Comm.Parameters["@FatherName"].Value =FatherName.Text;
Comm.Parameters.Add("@Id", SqlDbType.Int); //int.Parse(Id.Text));
Comm.Parameters["@Id"].Value = int.Parse(Id.Text);
Comm.Parameters.Add("@MeliCode",SqlDbType.Int);
Comm.Parameters["@MeliCode"].Value = int.Parse(MeliCode.Text);
Comm.Parameters.Add("@Tel",SqlDbType.Int);
Comm.Parameters["@Tel"].Value = int.Parse(Tel.Text);
Comm.Parameters.Add("@Address",SqlDbType.NVarChar);
Comm.Parameters["@Address"].Value = Address.Text;
Comm.Parameters.Add("@BirthDay", SqlDbType.Char);// BirthDay.Text);
Comm.Parameters["@BirthDay"].Value = BirthDay.Text.ToString();
Comm.Parameters.AddWithValue("@CityCombo", CityCombo.ValueMember);
Comm.ExecuteNonQuery();
Conn.Close();

this error :
Conversion failed when converting the nvarchar value 'd' to data type int.

Please help me
AnswerRe: Error C# : Conversion failed when converting the nvarchar value 'd' to data type int. Pin
Karthik Harve11-Mar-13 22:48
professionalKarthik Harve11-Mar-13 22:48 
AnswerRe: Error C# : Conversion failed when converting the nvarchar value 'd' to data type int. Pin
Abhinav S12-Mar-13 2:31
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AnswerRe: Error C# : Conversion failed when converting the nvarchar value 'd' to data type int. Pin
Bernhard Hiller12-Mar-13 4:55
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QuestionHOW I PROVIDE SECURITY OF MY DLL FILE FROM END USER Pin
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Questionhow i protect my dll from end user Pin
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QuestionFile download in Class Library Pin
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QuestionSimple helper class for DateTime? Pin
Goaty6510911-Mar-13 12:59
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