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字符串或二进制数据将在Linq中被截断

[英]String or binary data would be truncated in Linq

I was working on my project and i get 'String or binary data would be truncated' error on execution of dbm.SubmitChanges(); 我正在处理我的项目,并且在执行dbm.SubmitChanges()时出现'字符串或二进制数据将被截断'错误;

privatevoid btn_ok_Click(object sender, EventArgs e)
{
    myDataClasses_LinqDataContext dbm = newmyDataClasses_LinqDataContext();
    myDataClasses_LinqDataContext dbp = newmyDataClasses_LinqDataContext();
    if (rdo_main.Checked == true)
    {
        string sh_shenase = txtshenase.Text;
        string name = txtname.Text;
        string family = txtfamily.Text;
        string sh_shenasname = txtshenasname.Text;
        string sh_meli = txtshmeli.Text;
        string tt_ruz = cmbroz.Text;
        string tt_mah = cmbmah.Text;
        string tt_sal = cmbsal.Text;
        string loc_tavalod = cmbshahr.Text;
        string name_pedar = txtfathername.Text;
        string vaz_tahol = cmbvaztahol.Text;
        string sh_pishtel = txtshPtamas.Text;
        string sh_tel = txtshtamas.Text;
        string mobile = txtshmobile.Text;
        string email = txtemail.Text;
        string address = txtaddres.Text;
        string mov_nazari = txtmovazafi_nazari.Text;
        string mov_amali = txtmovazafi_amali.Text;

        MemoryStream ms = newMemoryStream();
             pictureBox1.Image.Save(ms, pictureBox1.Image.RawFormat);
        byte[] arrpic = ms.GetBuffer();
        tbl_pro_main tbl = newtbl_pro_main()
             {
                 address = address,
                 birth_date = tt_ruz,
                 birth_loc = loc_tavalod,
                 birth_month = tt_mah,
                 birth_year = tt_sal,
                 bound_a = mov_amali,
                 bound_n = mov_nazari,
                 email = email,
                 family = family,
                 id = sh_shenasname,
                 m_status = vaz_tahol,
                 mobile_num = mobile,
                 n_cod = sh_meli,
                 name = name,
                 name_father = name_pedar,
                 phone_num = sh_tel,
                 phone_pnum = sh_pishtel,
                 pic = arrpic,
                 username = sh_shenase
             };
             dbm.tbl_pro_mains.InsertOnSubmit(tbl);
             **dbm.SubmitChanges();**// error `String or binary data would be truncated`!!!!!
        MessageBox.Show("success!", MessageBoxButtons.OK, MessageBoxIcon.Information);
    }
    elseif (rdo_public.Checked ==true)
    {
        string sh_shenase = txtshenase.Text;
        string name = txtname.Text;
        string family = txtfamily.Text;
        string sh_shenasname = txtshenasname.Text;
        string sh_meli = txtshmeli.Text;
        string tt_ruz = cmbroz.Text;
        string tt_mah = cmbmah.Text;
        string tt_sal = cmbsal.Text;
        string loc_tavalod = cmbshahr.Text;
        string name_pedar = txtfathername.Text;
        string vaz_tahol = cmbvaztahol.Text;
        string sh_pishtel = txtshPtamas.Text;
        string sh_tel = txtshtamas.Text;
        string mobile = txtshmobile.Text;
        string email = txtemail.Text;
        string address = txtaddres.Text;
        string mov_nazari = txtmovazafi_nazari.Text;
        string mov_amali = txtmovazafi_amali.Text;

        MemoryStream ms = newMemoryStream();
         pictureBox1.Image.Save(ms, pictureBox1.Image.RawFormat);
        byte[] arrpic = ms.GetBuffer();

        tbl_pro_public tbl = newtbl_pro_public()
         {
             address = address,
             birth_date = tt_ruz,
             birth_loc = loc_tavalod,
             birth_month = tt_mah,
             birth_year = tt_sal,
             bound_a = mov_amali,
             bound_n = mov_nazari,
             email = email,
             family = family,
             id = sh_shenasname,
             m_status = vaz_tahol,
             mobile_num = mobile,
             n_cod = sh_meli,
             name = name,
             name_father = name_pedar,
             phone_num = sh_tel,
             phone_pnum = sh_pishtel,
             pic = arrpic,
             username = sh_shenase
         };
         dbp.tbl_pro_publics.InsertOnSubmit(tbl);
         dbp.SubmitChanges();

        MessageBox.Show("success!", MessageBoxButtons.OK, MessageBoxIcon.Information);
    }
    else
        MessageBox.Show("success!", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}

It means that one of your fields are being overflowed by values that are too long. 这意味着您的某个字段被过长的值溢出。 Check your input against your column definitions 根据列定义检查输入

Yes this occurs when you have mentioned a limit on the database fields like 是的,当您提到数据库字段的限制时,会发生这种情况

Name field is nvarchar(50)

And you are adding something more than this limit, then obviously an error will be there. 并且你正在添加超过此限制的内容,那么显然会出现错误。

So there are solutions, 所以有解决方案,

1) Extend the size of the field in DB. 1)扩展DB中字段的大小。

2) Limit the size of the field in the UI. 2)限制UI中字段的大小。 (Like adding a validator something enter values in limit). (就像添加验证器一样,输入限制值)。

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