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RSS订阅原创 C# winform 将dataGridView导出到excel
public void DataToExcel(DataGridView m_DataView) { SaveFileDialog kk = new SaveFileDialog(); kk.Title = "保存EXECL文件"; kk.Filter = "EXECL文件(*.xls) |*.xls
2017-10-09 11:35:12
384
物料管理系统
可对物料进行出入库登记、查询、统计等操作
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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Windows.Forms;
namespace FORU_SMS_.BaseClass
{
public class DataClass
{
BaseClass.DataConn Dconn = new DataConn();
SqlDataAdapter Mysda;
DataSet Myds;
DataTable Mydt;
SqlCommand SqlCom;
//返回一个DataSet
public DataSet GetDataSet(string sql, string dt)
{
Mysda = new SqlDataAdapter(sql, Dconn.OpenConn());
Myds = new DataSet();
Mysda.Fill(Myds, dt);
return Myds;
}
//绑定ComboBox控件
public void BindComboBox(string sql, string dt, string Par_Name, ComboBox cbox)
{
Myds = GetDataSet(sql, dt);
cbox.DataSource = Myds.Tables[dt];
cbox.DisplayMember = Par_Name;
}
//执行SQL语句，无返回值
public void ExecuteSql(string sql)
{
try
{
SqlCom = new SqlCommand(sql, Dconn.OpenConn());
SqlCom.ExecuteNonQuery();
}
catch (Exception e)
{
throw new Exception(e.Message);
}
finally
{
Dconn.CloseConn();
}
}
//验证用户登陆
public bool ChkLogin(string txtUser, string txtPass)
{
bool strEnter = false;
SqlCom = new SqlCommand("select count(*) from SMS_User where UserName=@txtUser AND Password=@txtPass", Dconn.OpenConn());
SqlParameter para = new SqlParameter("@txtUser",SqlDbType.VarChar,20);
para.Value = txtUser;
SqlCom.Parameters.Add(para);
para = new SqlParameter("@txtPass", SqlDbType.VarChar, 20);
para.Value = txtPass;
SqlCom.Parameters.Add(para);
int intCount = Convert.ToInt32(SqlCom.ExecuteScalar());
if (intCount > 0)
{
strEnter = true;
}
else
{
strEnter = false;
}
return strEnter;
}
public SqlDataReader GetRead(string sql)
{
SqlCom = new SqlCommand(sql, Dconn.OpenConn());
SqlDataReader sqlRead = SqlCom.ExecuteReader(CommandBehavior.CloseConnection);
return sqlRead;
}
public DataTable GetDataTable(string sql)
{
SqlCom = new SqlCommand(sql, Dconn.OpenConn());
Mydt = new DataTable();
Mysda = new SqlDataAdapter();
try
{
Mysda.SelectCommand = SqlCom;
Mysda.Fill(Mydt);
}
catch (Exception) { }
finally
{
Dconn.CloseConn();
}
return Mydt;
}
private bool isNumber(string s)
{
int Flag = 0;
char[] str = s.ToCharArray();
for (int i = 0; i 0)
{
return true;
}
else
{
return false;
}
}
public void saveGoods(AddGoods _Add)
{
string sql = "";
sql = sql "insert into SMS_Goods(GoodsID,GoodsName,StoreName,SupName,SpecName,UnitName,GoodsNum,GoodsPrice,GoodsAPrice,GoodsPeople,GoodsRemarks) values (@GoodsID,@GoodsName,@StoreName,@SupName,@SpecName,@UnitName,@GoodsNum,@GoodsPrice,@GoodsAPrice,@GoodsPeople,@GoodsRemarks)";
SqlCom = new SqlCommand(sql,Dconn.OpenConn());
Mysda = new SqlDataAdapter();
Mysda.SelectCommand = SqlCom;
SqlCom.Parameters.Add("@GoodsID", SqlDbType.VarChar, 20, "GoodsID").Value = _Add.GoodsID;
SqlCom.Parameters.Add("@GoodsName", SqlDbType.VarChar, 50, "GoodsName").Value = _Add.GoodsName;
SqlCom.Parameters.Add("@StoreName", SqlDbType.VarChar, 50, "StoreName").Value = _Add.StoreName;
SqlCom.Parameters.Add("@SupName", SqlDbType.VarChar, 50, "SupName").Value = _Add.SupName;
SqlCom.Parameters.Add("@UnitName", SqlDbType.VarChar, 10, "UnitName").Value = _Add.UnitName;
SqlCom.Parameters.Add("@GoodsNum", SqlDbType.Int, 4, "GoodsNum").Value = _Add.GoodsNum;
SqlCom.Parameters.Add("@SpecName", SqlDbType.VarChar, 50, "SpecName").Value = _Add.SpecName;
SqlCom.Parameters.Add("@GoodsPrice", SqlDbType.Float, 10, "GoodsPrice").Value = _Add.GoodsPrice;
SqlCom.Parameters.Add("@GoodsAPrice", SqlDbType.Float, 10, "GoodsAPrice").Value = _Add.GoodsAPrice;
SqlCom.Parameters.Add("@GoodsPeople", SqlDbType.VarChar, 20, "GoodsPeople").Value = _Add.GoodsPeople;
SqlCom.Parameters.Add("@GoodsRemarks", SqlDbType.VarChar, 50, "GoodsRemarks").Value = _Add.GoodsRemarks;
try
{
SqlCom.ExecuteNonQuery();
}
catch (Exception) { }
finally
{
Dconn.CloseConn();
}
}
}
}
2018-01-27
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