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  • SQlHelper数据库连接

    SQlHelper数据库连接:

    try
                {
                    SQLHelper sqlhelper = new SQLHelper();
                    //SqlDataSource sql = new SqlDataSource();
                    //sql.DataSourceMode = SqlDataSourceMode.DataSet;
                    DataSet ResultSet = new DataSet();
                    ResultSet.Merge(sqlhelper.RunQuery_getStaffName("SELECT [StaffNo], [ChineseName] FROM [VStaffNameSection] where staffno='" + txtStaffNo.Text + "'"));
                    if (ResultSet.Tables[0].Rows.Count == 0)
                    {
                        Page.ClientScript.RegisterStartupScript(Page.GetType(), "", "<script languge='javascript'>alert('工号不存在,请重新输入,谢谢!');</script>");
                        e.Cancel = true;
                        return;
                    }
                }
                catch (Exception ex)
                {
    
                    throw ex;
                }

    SQLHelper.cs

    public class SQLHelper
    {
            public DataSet RunQuery_getStaffName(string QueryString)
        {
            System.Data.SqlClient.SqlConnection DBConnection = null;
            DBConnection = new System.Data.SqlClient.SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["webConnectionString_Dept"].ToString());
            DBConnection.Open();
            SqlDataAdapter DBAdapter = default(SqlDataAdapter);
            DataSet ResultsDataSet = new DataSet();
    
            try
            {
                DBAdapter = new SqlDataAdapter(QueryString, DBConnection);
                DBAdapter.Fill(ResultsDataSet);
                DBConnection.Close();
            }
            catch (Exception ex)
            {
                if (DBConnection.State == ConnectionState.Open)
                {
                    DBConnection.Close();
                }
            }
            return ResultsDataSet;
        }
    }

    Web.config

    <connectionStrings>
    
    <add name="webConnectionString_Dept" connectionString="Data Source=XXX;Initial Catalog=XXX;Persist Security Info=True;User ID=XXX;Password=XXX" providerName="System.Data.SqlClient" />
    
    </connectionStrings>
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  • 原文地址:https://www.cnblogs.com/iDennis/p/5553544.html
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