TechEthical CEHP

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.IO;
using System.Data.SqlClient;
using Directory;


namespace Bathuasoft.admin
{
    public partial class Units : System.Web.UI.Page
    {

        public System.Data.DataTable dt = new System.Data.DataTable();
        public System.Data.SqlClient.SqlDataAdapter SqlAdapter = new SqlDataAdapter();

        protected void Page_Load(object sender, EventArgs e)
        {
            connection_sql obj = new connection_sql();
            obj.MakeConnection();

            if (!IsPostBack)
            {

                if (Session["Loginxtr"].ToString() != "1254lkjhhfdgftfrdgf")
                {
                    Response.Redirect("login.aspx");
                }

                //GridFill();
                
                getCourse();
                        
            }
        }

        public void getCourse()
        { 
            connection_sql obj = new connection_sql();
            obj.MakeConnection();
            string vString = "";

            vString = "Select  ID , NAME from tbl_Courses";

            dt = obj.getDataTable(vString);
            cmbCourseName.DataSource = null;
            cmbCourseName.DataSource = dt;
            cmbCourseName.DataTextField = "NAME";
            cmbCourseName.DataValueField = "ID";
            cmbCourseName.DataBind();
            cmbCourseName.Items.Insert(0, "");
            obj.CloseConnection();
        }
        public void getsubject()
        {
            connection_sql obj = new connection_sql();
            obj.MakeConnection();
            string vString = "";

            vString = "Select  ID , NAME from tbl_Subject where course_ID='" + cmbCourseName.SelectedValue + "' ";

            dt = obj.getDataTable(vString);
            cmbSubjectName.DataSource = null;
            cmbSubjectName.DataSource = dt;
            cmbSubjectName.DataTextField = "NAME";
            cmbSubjectName.DataValueField = "ID";
            cmbSubjectName.DataBind();
            cmbSubjectName.Items.Insert(0, "");
            obj.CloseConnection();
        }


        protected void butSave_Click(object sender, EventArgs e)
        {
            if (butSave.Text == "Save")
            {
                 connection_sql obj = new connection_sql();
                obj.MakeConnection();
                SqlCommand cmd = new SqlCommand("SP_Unit_ENTERY", obj.conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.AddWithValue("@Course_ID", cmbCourseName.SelectedValue);
		        cmd.Parameters.AddWithValue("@Subject_ID", cmbSubjectName.SelectedValue);
		        cmd.Parameters.AddWithValue("@name", txtUnitName.Text);
                cmd.Parameters.AddWithValue("@Status", "Active");
                cmd.ExecuteNonQuery();
                obj.CloseConnection();
                
                GridFill();

                txtUnitName.Text = "";
                //cmbSubjectName.Text = "";
                //cmbCourseName.Text = "";
                ddlStatus.Text = "";
                
                ScriptManager.RegisterStartupScript(this, GetType(), "set", "alert('Save Successfully');", true);

            }
            else if (butSave.Text == "Update")
            {
                connection_sql obj = new connection_sql();
                obj.MakeConnection();
                string qry = " Update tbl_Unit set name= '" + txtUnitName.Text +"',Subject_ID='" + cmbSubjectName.SelectedValue + "',course_ID='" + cmbCourseName.SelectedValue + "' " +
                                                  ", Status = '"+ ddlStatus.SelectedValue +"'  WHERE ID= '" + ViewState["ID"] + "' ";
                SqlCommand cmd = new SqlCommand(qry, obj.conn);
                cmd.ExecuteNonQuery();
                obj.CloseConnection();
                GridFill();
                butSave.Text = "Save";
                txtUnitName.Text = "";
                cmbSubjectName.Text = "";
                cmbCourseName.Text = "";
                ddlStatus.Text = "";
                ScriptManager.RegisterStartupScript(this, GetType(), "set", "alert('Update Successfully');", true);
            }
        

        }

        protected void GridView_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Dlt")
            {
                connection_sql obj = new connection_sql();
                obj.MakeConnection();
                SqlCommand cmd = new SqlCommand("DELETE FROM tbl_Unit WHERE ID='" + e.CommandArgument + "' ", obj.conn);
                cmd.ExecuteNonQuery();
                obj.CloseConnection();
                GridFill();
                ScriptManager.RegisterStartupScript(this, GetType(), "set", "alert('Delete Successfully');", true);

               
            }
            else if (e.CommandName == "Edt")
            {
                connection_sql obj = new connection_sql();
                obj.MakeConnection();
                SqlCommand cmd = new SqlCommand("Select * FROM tbl_Unit WHERE ID='" + e.CommandArgument + "' ", obj.conn);
                SqlDataAdapter da = new SqlDataAdapter(cmd);
                DataTable dt = new DataTable();
                da.Fill(dt);
                obj.CloseConnection();
                GridFill(); 
                butSave.Text = "Update";
                ViewState["ID"] = e.CommandArgument;
                cmbCourseName.SelectedValue = dt.Rows[0]["course_ID"].ToString();
                getsubject();
                cmbSubjectName.SelectedValue = dt.Rows[0]["Subject_ID"].ToString();
                txtUnitName.Text = dt.Rows[0]["name"].ToString();
                ddlStatus.SelectedValue = dt.Rows[0]["Status"].ToString();
              
            }
        }


        private void GridFill()
        {

            //dt.Clear();
            connection_sql obj = new connection_sql();
            obj.MakeConnection();
            SqlCommand cmd = new SqlCommand("SP_UNITMASTER", obj.conn);
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.AddWithValue("@Subject_ID", cmbSubjectName.SelectedValue);
            SqlDataAdapter da = new SqlDataAdapter(cmd);
            DataTable dt = new DataTable();
            da.Fill(dt);
           
            GridView.DataSource = dt;
            GridView.DataBind();
            obj.CloseConnection();
        }

        protected void cmbCourseName_SelectedIndexChanged(object sender, EventArgs e)
        {
            getsubject();
        }

        protected void cmbSubjectName_SelectedIndexChanged(object sender, EventArgs e)
        {
            GridFill();
        }
    
    }
}