S Rose

S Rose

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the sql query is not working.im using service based database

Jan 25 2019 2:32 AM
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["bs"].ConnectionString);
SqlCommand cmd;
SqlDataAdapter da;
DataSet ds;
string sql_query;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btn_Add_Click(object sender, EventArgs e)
{
try
{
sql_query = "Insert into BookRecord(bookid, bookname, bookpubname, bookpubyear, bookprice, bookquantity, recorddate) values('" + txt_bookid.Text.Trim() + "','" + txt_bookname.Text.Trim() + "','" + txt_bookpubname.Text.Trim() + "','" + txt_bookpubyear.Text.Trim() + "','" + txt_bookprice.Text.Trim() + "','" + txt_bookqty.Text.Trim() + "','" + DateTime.Today.Date.ToShortDateString() + "')";
cmd = new SqlCommand(sql_query, con);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
lblresult.Text = "Record Inserted Successfully...";
}
catch
{
con.Close();
}
}
protected void btn_Add_Reset_Click(object sender, EventArgs e)
{
ResetTextbox();
}
private void ResetTextbox()
{
txt_bookid.Text = "";
txt_bookname.Text = "";
txt_bookpubname.Text = "";
txt_bookpubyear.Text = "";
txt_bookprice.Text = "";
txt_bookqty.Text = "";
}
private void ResetEditTextbox()
{
txt_edit_bookid.Text = "";
txt_edit_bookid.Style.Add("width", "235px");
txt_edit_bookid.Style.Add("background", "#ffffff");
txt_edit_bookid.ReadOnly = false;
btn_check.Visible = true;
txt_edit_bookname.Text = "";
txt_edit_bookpubname.Text = "";
txt_edit_bookpubdate.Text = "";
txt_edit_bookprice.Text = "";
txt_edit_bookqty.Text = "";
}
private void ResetDeleteTextbox()
{
txt_delete_bookid.Text = "";
}
private void DisableReadOnly_EditTextBoxColor()
{
txt_edit_bookname.ReadOnly = true;
txt_edit_bookname.Style.Add("background", "#dddddd");
txt_edit_bookpubname.ReadOnly = true;
txt_edit_bookpubname.Style.Add("background", "#dddddd");
txt_edit_bookpubdate.ReadOnly = true;
txt_edit_bookpubdate.Style.Add("background", "#dddddd");
txt_edit_bookprice.ReadOnly = true;
txt_edit_bookprice.Style.Add("background", "#dddddd");
txt_edit_bookqty.ReadOnly = true;
txt_edit_bookqty.Style.Add("background", "#dddddd");
}
protected void btn_Add_Cancel_Click(object sender, EventArgs e)
{
ResetTextbox();
}
// Check Book Detail through BookID
protected void btn_check_Click(object sender, EventArgs e)
{
try
{
sql_query = "Select * from BookRecord Where bookid='" + txt_edit_bookid.Text.Trim() + "'";
da = new SqlDataAdapter(sql_query, con);
ds = new DataSet();
da.Fill(ds);
if (ds.Tables[0].Rows.Count > 0)
{
txt_edit_bookid.Text = ds.Tables[0].Rows[0]["bookid"].ToString();
txt_edit_bookname.Text = ds.Tables[0].Rows[0]["bookname"].ToString();
txt_edit_bookpubname.Text = ds.Tables[0].Rows[0]["bookpubname"].ToString();
txt_edit_bookpubdate.Text = ds.Tables[0].Rows[0]["bookpubyear"].ToString();
txt_edit_bookprice.Text = ds.Tables[0].Rows[0]["bookprice"].ToString();
txt_edit_bookqty.Text = ds.Tables[0].Rows[0]["bookquantity"].ToString();
btn_check.Visible = false;
EnableReadOnly_TextBoxColor();
div_add.Style.Add("display", "none");
table_Add.Style.Add("display", "none");
div_edit.Style.Add("display", "block");
table_Edit.Style.Add("display", "block");
div_delete.Style.Add("display", "none");
table_Delete.Style.Add("display", "none");
txt_edit_bookid.Style.Add("width", "300px");
txt_edit_bookid.Style.Add("background", "#dddddd");
txt_edit_bookid.ReadOnly = true;
}
}
catch
{
con.Close();
}
}
private void EnableReadOnly_TextBoxColor()
{
txt_edit_bookid.ReadOnly = false;
txt_edit_bookid.Style.Add("background","#ffffff");
txt_edit_bookname.ReadOnly = false;
txt_edit_bookname.Style.Add("background","#ffffff");
txt_edit_bookpubname.ReadOnly = false;
txt_edit_bookpubname.Style.Add("background","#ffffff");
txt_edit_bookpubdate.ReadOnly = false;
txt_edit_bookpubdate.Style.Add("background","#ffffff");
txt_edit_bookprice.ReadOnly = false;
txt_edit_bookprice.Style.Add("background","#ffffff");
txt_edit_bookqty.ReadOnly = false;
txt_edit_bookqty.Style.Add("background","#ffffff");
}
protected void btn_Update_Click(object sender, EventArgs e)
{
try
{
sql_query = "Update BookRecord set bookname='" + txt_edit_bookname.Text.Trim() + "', bookpubname='" + txt_edit_bookpubname.Text.Trim() + "', bookpubyear='" + txt_edit_bookpubdate.Text.Trim() + "', bookprice='" + txt_edit_bookprice.Text.Trim() + "', bookquantity='" + txt_edit_bookqty.Text.Trim() + "' where bookid='" + txt_edit_bookid.Text.Trim() + "'";
cmd = new SqlCommand(sql_query, con);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
lblresult.Text = "Record Updated Successfully...";
}
catch
{
con.Close();
}
}
protected void btn_Update_Reset_Click(object sender, EventArgs e)
{
ResetEditTextbox();
DisableReadOnly_EditTextBoxColor();
}
protected void btn_Update_Cancel_Click(object sender, EventArgs e)
{
ResetEditTextbox();
DisableReadOnly_EditTextBoxColor();
}
protected void btn_Delete_Click(object sender, EventArgs e)
{
try
{
sql_query = "Delete BookRecord where bookid='" + txt_delete_bookid.Text.Trim() + "'";
cmd = new SqlCommand(sql_query, con);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
div_add.Style.Add("display", "none");
table_Add.Style.Add("display", "none");
div_edit.Style.Add("display", "none");
table_Edit.Style.Add("display", "none");
div_delete.Style.Add("display", "block");
table_Delete.Style.Add("display", "block");
lblresult.Text = "Record Deleted Successfully...";
}
catch
{
con.Close();
}
}
protected void btn_Delete_Reset_Click(object sender, EventArgs e)
{
ResetDeleteTextbox();
}
protected void btn_Delete_Cancel_Click(object sender, EventArgs e)
{
ResetDeleteTextbox();
}
}

Answers (2)