?? opdatabase.cs
字號:
?using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
/// <summary>
/// Class1 的摘要說明
/// </summary>
///
namespace SMS
{
public class OPDataBase
{
public OPDataBase()
{
//
// TODO: 在此處添加構造函數(shù)邏輯
//
}
# region 一:返回對象方法集;
//返回一個SqlDataReader對象;
public SqlDataReader getDataReader(string sqlstr)
{
//SqlConnection conn = new SqlConnection(getConnection());
//conn.Open();
SqlConnection conn = sqlConnection();
conn.Open();
SqlCommand cmd = new SqlCommand(sqlstr, conn);
SqlDataReader dr;
dr = cmd.ExecuteReader();
return dr;
}
//返回一個連接SqlConnection對象,來創(chuàng)建連接。
public SqlConnection sqlConnection()
{
SqlConnection conn = new SqlConnection(getConnection());
return conn;
}
//返回DataSet對象的方法,需要SQL語句
public DataSet getDataset(string sql)
{
SqlConnection conn = sqlConnection();
conn.Open();
SqlDataAdapter da = new SqlDataAdapter(sql, conn);
DataSet ds = new DataSet(); ;
da.Fill(ds);
return ds;
}
//返回連接字符串;
public string getConnection()
{
string conn = ConfigurationSettings.AppSettings["dsn"];
return conn;
}
#endregion
#region 二:綁定 GridView 控件的方法集;
//數(shù)據(jù)梆定到GridView上的方法,需要輸入:查詢語句str,GridView對象,主鍵字鍛,三個參數(shù)。
public void BinData(string str, GridView gridView, string datakeynames)
{
SqlConnection conn = sqlConnection();
conn.Open();
SqlDataAdapter da = new SqlDataAdapter(str, conn);
DataSet ds = new DataSet();
da.Fill(ds);
gridView.DataSource = ds;
gridView.DataKeyNames = new string[] { datakeynames };
gridView.DataBind();
}
//數(shù)據(jù)梆定到GridView上的方法,需要輸入:查詢語句str,GridView對象,兩個參數(shù)。
public void BinData(string str, GridView gridView)
{
SqlConnection conn = sqlConnection();
conn.Open();
SqlDataAdapter da = new SqlDataAdapter(str, conn);
DataSet ds = new DataSet();
da.Fill(ds);
gridView.DataSource = ds;
gridView.DataBind();
}
public void BinData(string str, GridView gridView,Label lable)
{
SqlConnection conn = sqlConnection();
conn.Open();
SqlDataAdapter da = new SqlDataAdapter(str, conn);
DataSet ds = new DataSet();
da.Fill(ds);
try
{
gridView.DataSource = ds;
gridView.DataBind();
}
catch (SqlException ex)
{
lable.Text = ex.Message.ToString();
}
finally
{
conn.Close();
da.Dispose();
}
}
//改變時間格式并綁定到 GridView 控件,Cells為數(shù)組, 用來填寫要改變時間格式的GridView 控件的列號,
//注意的是, GridView 控件列號是從0開始的!
public void BinData(string str, GridView gridView, string field, int[] Cells)
{
SqlConnection conn = sqlConnection();
conn.Open();
SqlDataAdapter da = new SqlDataAdapter(str, conn);
DataSet ds = new DataSet();
da.Fill(ds, "Table1");
gridView.DataSource = ds;
gridView.DataBind();
for (int i = 0; i <= gridView.Rows.Count - 1; i++)
{
DataRowView drv = ds.Tables["Table1"].DefaultView[i];
DateTime dt = Convert.ToDateTime(drv[field]);
foreach (int a in Cells)
{
gridView.Rows[i].Cells[a].Text = dt.ToLongDateString();
}
}
}
#endregion
#region 三:執(zhí)行SqlCommand命令方法集;
//刪除,需要刪除的語句。
public void DeletData(string sql)
{
SqlConnection conn = new SqlConnection(getConnection());
conn.Open();
SqlCommand cmd = new SqlCommand(sql, conn);
try
{
cmd.ExecuteNonQuery();
}
catch { }
}
//SqlCommand命令,需要SQL語句和 LableID控件顯示異常!
public void BindCommand(string sql, Label lable1)
{
SqlConnection conn = new SqlConnection(getConnection());
conn.Open();
SqlCommand cmd = new SqlCommand(sql, conn);
try
{
cmd.ExecuteNonQuery();
lable1.Text = "執(zhí)行成功!";
}
catch (SqlException ex)
{
lable1.Text = ex.Message.ToString();
}
finally
{
cmd.Dispose();
conn.Close();
}
}
//SqlCommand命令,需要SQL語句
public void BindCommand(string sql)
{
SqlConnection conn = new SqlConnection(getConnection());
conn.Open();
SqlCommand cmd = new SqlCommand(sql, conn);
try
{
cmd.ExecuteNonQuery();
}
catch
{
}
finally
{
cmd.Dispose();
conn.Close();
}
}
# endregion
}
}
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