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.Configuration;
using System.Data.SqlClient;
namespace FinalYearProject
{
public partial class MBooking : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
this.BindGrid();
}
}
private void BindGrid()
{
string constr = ConfigurationManager.ConnectionStrings["cmt"].ConnectionString;
using (SqlConnection con = new SqlConnection(constr))
{
using (SqlCommand cmd = new SqlCommand("Customers_CRUD"))
{
cmd.Parameters.AddWithValue("@Action", "SELECT");
using (SqlDataAdapter sda = new SqlDataAdapter())
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.Connection = con;
sda.SelectCommand = cmd;
using (DataTable dt = new DataTable())
{
sda.Fill(dt);
GridView1.DataSource = dt;
GridView1.DataBind();
}
}
}
}
}
protected void Insert(object sender, EventArgs e)
{
string Username = txtUsername.Text;
string Provincename = txtProvinceName.Text;
string Cityname = txtCityname.Text;
string Number = txtNumber.Text;
string Name = txtName.Text;
string ContentType = txtContentType.Text;
string Data = txtData.Text;
string constr = ConfigurationManager.ConnectionStrings["cmt"].ConnectionString;
using (SqlConnection con = new SqlConnection(constr))
{
using (SqlCommand cmd = new SqlCommand("Customers_CRUD"))
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@Action", "INSERT");
cmd.Parameters.AddWithValue("@Username", Username);
cmd.Parameters.AddWithValue("@Provincename ", Provincename);
cmd.Parameters.AddWithValue("@Cityname", Cityname);
cmd.Parameters.AddWithValue("@Number", Number);
cmd.Parameters.AddWithValue("@Name", Name);
cmd.Parameters.AddWithValue("@ContentType", ContentType);
//cmd.Parameters.AddWithValue("@Data", Data);
cmd.Parameters.AddWithValue("@Data", SqlDbType.VarBinary).Value = new Byte[] { 0xDE, 0xAD, 0xBE, 0xEF };
cmd.Connection = con;
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
}
this.BindGrid();
}
protected void OnRowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
this.BindGrid();
}
protected void OnRowCancelingEdit(object sender, EventArgs e)
{
GridView1.EditIndex = -1;
this.BindGrid();
}
protected void OnRowUpdating(object sender, GridViewUpdateEventArgs e)
{
GridViewRow row = GridView1.Rows[e.RowIndex];
int BId = Convert.ToInt32(GridView1.DataKeys[e.RowIndex].Values[0]);
string Username = (row.FindControl("txtUserName") as TextBox).Text;
string Provincename = (row.FindControl("txtProvincename") as TextBox).Text;
string Cityname = (row.FindControl("txtCityname") as TextBox).Text;
string Number = (row.FindControl("txtNumber") as TextBox).Text;
string Name = (row.FindControl("txtName") as TextBox).Text;
string ContentType = (row.FindControl("txtContentType") as TextBox).Text;
string Data = (row.FindControl("txtData") as TextBox).Text;
string constr = ConfigurationManager.ConnectionStrings["cmt"].ConnectionString;
using (SqlConnection con = new SqlConnection(constr))
{
using (SqlCommand cmd = new SqlCommand("Customers_CRUD"))
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@Action", "UPDATE");
cmd.Parameters.AddWithValue("@BId", BId);
cmd.Parameters.AddWithValue("@Username", Username);
cmd.Parameters.AddWithValue("@Provincename ", Provincename);
cmd.Parameters.AddWithValue("@Cityname", Cityname);
cmd.Parameters.AddWithValue("@Number", Number);
cmd.Parameters.AddWithValue("@Name", Name);
cmd.Parameters.AddWithValue("@ContentType",ContentType) ;
cmd.Parameters.AddWithValue("@Data", SqlDbType.VarBinary).Value = new Byte[] { 0xDE, 0xAD, 0xBE, 0xEF };
//cmd.Parameters.AddWithValue("@ContentType", SqlDbType.VarBinary, -1);
//cmd.Parameters.AddWithValue("@Data", SqlDbType.VarBinary, -1);
cmd.Connection = con;
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
}
GridView1.EditIndex = -1;
this.BindGrid();
}
protected void OnPageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex;
this.BindGrid();
}
protected void OnRowDataBound(object sender, GridViewRowEventArgs e)
{
//if (e.Row.RowType == DataControlRowType.DataRow && e.Row.RowIndex != GridView1.EditIndex)
//{
// (e.Row.Cells[2].Controls[2] as LinkButton).Attributes["onclick"] = "return confirm('Do you want to delete this row?');";
//}
}
protected void DownloadFile(object sender, EventArgs e)
{
int id = int.Parse((sender as LinkButton).CommandArgument);
byte[] bytes;
string fileName, contentType;
string constr = ConfigurationManager.ConnectionStrings["cmt"].ConnectionString;
using (SqlConnection con = new SqlConnection(constr))
{
using (SqlCommand cmd = new SqlCommand())
{
cmd.CommandText = "select Name, Data, ContentType from tblbooking where [email protected]";
cmd.Parameters.AddWithValue("@BId",id);
cmd.Connection = con;
con.Open();
using (SqlDataReader sdr = cmd.ExecuteReader())
{
sdr.Read();
bytes = (byte[])sdr["Data"];
contentType = sdr["ContentType"].ToString();
fileName = sdr["Name"].ToString();
}
con.Close();
}
}
Response.Clear();
Response.Buffer = true;
Response.Charset = "";
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.ContentType = contentType;
Response.AppendHeader("Content-Disposition", "attachment; filename=" + fileName);
Response.BinaryWrite(bytes);
Response.Flush();
Response.End();
}
protected void OnRowDeleting(object sender, GridViewDeleteEventArgs e)
{
int BId = Convert.ToInt32(GridView1.DataKeys[e.RowIndex].Values[0]);
string constr = ConfigurationManager.ConnectionStrings["cmt"].ConnectionString;
using (SqlConnection con = new SqlConnection(constr))
{
using (SqlCommand cmd = new SqlCommand("Customers_CRUD"))
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@Action", "DELETE");
cmd.Parameters.AddWithValue("@BId", BId);
cmd.Connection = con;
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
}
this.BindGrid();
}
}
}
こんにちはgridivew http://codepedia.info/how-to-add-update-record-using-gridview-control-c/ –