how to add datas from database to dynamic textbox inside gridview

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C#

ASP.NET

i have gridview in which textboxes are added dynamically.
i retrieved datas from sql and i want the datas to be displayed in textboxes.
My code is :

DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];
                                    DataRow drCurrentRow = null;
                                    if (dtCurrentTable.Rows.Count > 0)
                                    {
                                            TextBox txtlanguage = (TextBox)grvStudentDetails.Rows[rowIndex].Cells[1].FindControl("txtotherlanguage");
                                            drCurrentRow = dtCurrentTable.NewRow();
                                            drCurrentRow["RowNumber"] = j + 1;
                                           
                                           dtCurrentTable.Rows[j - 1]["Col1"] = (objDataSet.Tables[1].Rows[j - 1]["LanguagesKnown"]).ToString();
                                          
                                        txtlanguage.Text= dtCurrentTable.Rows[j - 1]["Col1"].ToString();
                                            rowIndex++;
                                        }
                                       dtCurrentTable.Rows.Add(drCurrentRow);

When i set breakpoint txtlanguage.Text consists of value "English"(from db) however same is not getting displayed. Suggest me.