Inserting and selecing record using userid not working

protected void btnPost_Click(object sender, EventArgs e)

{

if (txtTitle.Text == "")

{

ScriptManager.RegisterClientScriptBlock(btnPost, this.GetType(), "alert", "", false);

}

else

{

lblMessage2.Text = "";

if (txtName.Text == "")

{

ScriptManager.RegisterClientScriptBlock(btnPost, this.GetType(), "alert", "", false);

}

else

{

lblMessage2.Text = "";

if (txtDate_Posted.Text == "")

{

ScriptManager.RegisterClientScriptBlock(btnPost, this.GetType(), "alert", "", false);

}

else

{

lblMessage2.Text = "";

if (txtcontent.Text == "")

{

ScriptManager.RegisterClientScriptBlock(btnPost, this.GetType(), "alert", "", false);

}

else

{

lblMessage2.Text = "";

if (!object.Equals(Session["UserId"], null))

{

if (FileUpload1.PostedFile != null)

{

string myMap = MapPath("~/").ToLower();

Random r = new Random();

int next = r.Next();

string ImageName = FileUpload1.PostedFile.FileName;

// ToSaveImageName = DateTime.Now.ToString("yyyy-MM-ddTmm:hh:ss");

//ToSaveImageName.Replace('-', '1');

//ToSaveImageName.Replace(':', '2');

//Directory.CreateDirectory(myMap + ToSaveImageName);

sImageFileExtension = ImageName.Substring(ImageName.LastIndexOf(".")).ToLower();

if (sImageFileExtension == ".gif" || sImageFileExtension == ".png" || sImageFileExtension == ".jpg" || sImageFileExtension == ".jpeg" || sImageFileExtension == ".bmp")

{

string ImageSaveURL = myMap + "UserImage/" + next + sImageFileExtension;

try

{

FileUpload1.PostedFile.SaveAs(ImageSaveURL);

//Added connectionString to webconfig file and calling here

// string str = ConfigurationManager.ConnectionStrings["conString"].ConnectionString;

// string post = "Insert INTO ADTABLE (MyId,Title,Name,HashTag,ADContent,ImageName) VALUES('" + Session["UserId"].ToString() + "','" + Request.QueryString["Id"].ToString() + "','" + txtTitle.Text + "', '" + txtName.Text + "', '" + txtHashTag.Text + "', '" + txtcontent.Text + "', '" + sImageFileExtension + "')";

dbClass.MyDataBaseToInsert("InsertPaidTable", txtTitle.Text, txtName.Text, txtHashTag.Text, txtcontent.Text, sImageFileExtension);

// string post = "Insert INTO ADTABLE (MyId,Title,Name,HashTag,ADContent,ImageName) VALUES('" + Session["UserId"].ToString() + "','" + Request.QueryString["Id"].ToString() + "','" + txtTitle.Text + "', '" + txtName.Text + "', '" + txtHashTag.Text + "', '" + txtcontent.Text + "', '" + sImageFileExtension + "')";

// dbClass.ConnectDataBaseToInsert(post);

Response.Redirect("~/Pages/UserProfile.aspx?Id=" + Request.QueryString["Id"].ToString());

{

// Response.Redirect("~/Account/Login.aspx");

}

}

catch (Exception ex)

{

}

}

else

{

}

}

else

{

ToSaveImageName = "No";

sImageFileExtension = "Image";

}

}

}

}

}

}

}

}