DataGrid

xiaoxiao2021-03-06 41

using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls Using system.web.ui.htmlcontrols; using system.data.oledb; Namespace DataGrid {///

/// WebForm3 summary description. /// public class WebForm3: System.Web.UI.Page {protected System.Data.OleDb.OleDbDataAdapter oleDbDataAdapter1; protected System.Data.OleDb.OleDbCommand oleDbSelectCommand1; protected System.Data.OleDb.OleDbCommand oleDbInsertCommand1; protected System.Data.OleDb.OleDbCommand oleDbUpdateCommand1; protected System.Data.OleDb.OleDbCommand oleDbDeleteCommand1; protected datagrid.dsCategories dsCategories1; protected System.Web.UI.WebControls.DataGrid DataGrid1; protected System.Data.OleDb.OleDbConnection oleDbConnection1; private void Page_Load (Object sender, system.eventargs e) {// Place the user code here to initialize the page OLEDBDataAdapter1.fill (DSCategories1); if (! ispostback) {dataGrid1.database ();}

}

#Region Web Form Designer Generated Code Override Protected Void OnNit (Eventargs E) {// // Codegen: This call is required for the ASP.NET Web Form Designer. // InitializeComponent (); base.onit (e);} ///

/// Designer Supports the required method - Do not use the code editor to modify the // / this method.

/// private void InitializeComponent () {this.oleDbDataAdapter1 = new System.Data.OleDb.OleDbDataAdapter (); this.oleDbSelectCommand1 = new System.Data.OleDb.OleDbCommand (); this.oleDbInsertCommand1 = new System. Data.OleDb.OleDbCommand (); this.oleDbUpdateCommand1 = new System.Data.OleDb.OleDbCommand (); this.oleDbDeleteCommand1 = new System.Data.OleDb.OleDbCommand (); this.oleDbConnection1 = new System.Data.OleDb.OleDbConnection (); this.dsCategories1 = new datagrid.dsCategories (); ((System.ComponentModel.ISupportInitialize) (this.dsCategories1)) BeginInit ();. // // oleDbDataAdapter1 // this.oleDbDataAdapter1.DeleteCommand = this.oleDbDeleteCommand1; this.oleDbDataAdapter1.InsertCommand = this.oleDbInsertCommand1; this.oleDbDataAdapter1.SelectCommand = this.oleDbSelectCommand1; this.oleDbDataAdapter1.TableMappings.AddRange (new System.Data.Common.DataTableMapping [] {new System.Data.Common.DataTableMapping ( "Table "," SOC UT_BBS ", new system.data.common.datacolumnmapping [] {new system.data.common.datacolumnmapping (" id "," id "), new system.data.common.DatacolumnMapping (" Poster "," poster ")} )}); this.oleDbDataAdapter1.UpdateCommand = this.oleDbUpdateCommand1; // // oleDbSelectCommand1 // this.oleDbSelectCommand1.CommandText = "SELECT ID, Poster FROM Socut_BBS"; this.oleDbSelectCommand1.Connection = this.oleDbConnection1; // // OLEDBINSERTCOMMAND1 // this.oledbinsertCommand1.commandtext = "

INSERT INTO Socut_BBS (Poster) VALUES (?) "; This.oleDbInsertCommand1.Connection = this.oleDbConnection1; this.oleDbInsertCommand1.Parameters.Add (new System.Data.OleDb.OleDbParameter (" Poster ", System.Data.OleDb.OleDbType .Varwchar, 50, "poster"); // // oledbupdateCommand1 // this.oledbupdateCommand1.commandtext = "Update SoCut_bbs set Poster =? Where (id =?) And (POSTER =? Or? Is Null and P" "oster IS NULL)"; this.oleDbUpdateCommand1.Connection = this.oleDbConnection1; this.oleDbUpdateCommand1.Parameters.Add (new System.Data.OleDb.OleDbParameter ( "Poster", System.Data.OleDb.OleDbType.VarWChar, 50, "Poster")); this.oleDbUpdateCommand1.Parameters.Add (new System.Data.OleDb.OleDbParameter ( "Original_ID", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, false, ( (0)), ((System.byte) (0)), "ID", system.data.datarowversion.original, null); this.oledbupdateCommand1.Parameters.add (New System.Data. OLEDB.OLDBPARETER ("Original_P Oster ", system.data.oledb.oledbtype.varwchar, 50, system.data.parameterDirection.input, false, ((System.byte) ((System.byte) (0))," POSTER " , System.Data.DataRowVersion.Original, null)); this.oleDbUpdateCommand1.Parameters.Add (new System.Data.OleDb.OleDbParameter ( "Original_Poster1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data. ParameterDirection.input, False, ((System.byte) ((System.byte) (0)), "Poster", System.Data.DataRowVersion.original, NULL); //// OLEDBDELETECMMAND1 / / This.oledbdeleteCommand1.commandtext = "delete from SoCut_bbs where (id =?) And (poster =

?? OR IS NULL AND Poster IS N " " ULL) "; this.oleDbDeleteCommand1.Connection = this.oleDbConnection1; this.oleDbDeleteCommand1.Parameters.Add (new System.Data.OleDb.OleDbParameter (" Original_ID ", System.Data .Oledb.oledbtype.integer, 0, system.data.parameterDirection.input, false, ((System.byte) ((System.byte) (0)), "ID", System.Data.DataRowVersion .Original, null)); this.oleDbDeleteCommand1.Parameters.Add (new System.Data.OleDb.OleDbParameter ( "Original_Poster", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, (System.byte) ((System.byte) (0)), "Poster", System.Data.DataRowVersion.original, Null); this.oledbdeleteCommand1.Parameters.Add (New System.Data) .Oledb.oledbParameter ("Original_Poster1", System.Data.Oledb.oledbtype.varwchar, 50, System.Data.ParameterDirection.Input, False, ((System.byte)), ((System.byte) (0) (0) )), "Poster", system.data.datarowversion.original, null); // // oledbconnection1 // this.OleDbconnection1.con Nestionstring = @ "Jet OLEDB: Global Partial Bulk OPS = 2; Jet OLEDB: registry path =; Jet OLEDB: Database Locking mode = 1; Data Source =" C: /inetpub/wwwroot/dataGrid/socut.mdb "; Jet OLEDB: ENGINE TYPE = 5; provider = "" Microsoft.jet. OleDb.4.0 ""; Jet OLEDB: SFP = false; persist security info = false; extended profitness =; mode = share deny none; Jet OLEDB: Encrypt Database = False; Jet OLEDB: Create System Database = False; Jet OLEDB: Do not Copy Locale on Compact = False; Jet OLEDB: Compact Without Replica Repair = False; User ID = Admin; Jet OLEDB: Global Bulk Transactions = 1 ";

// // dsCategories1 // this.dsCategories1.DataSetName = "dsCategories"; this.dsCategories1.Locale = new System.Globalization.CultureInfo ( "zh-CN"); this.DataGrid1.PageIndexChanged = new System.Web.UI .WebControls.DataGridPageChangedEventHandler (this.DataGrid1_PageIndexChanged); this.DataGrid1.CancelCommand = new System.Web.UI.WebControls.DataGridCommandEventHandler (this.DataGrid1_CancelCommand); this.DataGrid1.EditCommand = new System.Web.UI.WebControls.DataGridCommandEventHandler (this.DataGrid1_EditCommand); this.DataGrid1.UpdateCommand = new System.Web.UI.WebControls.DataGridCommandEventHandler (this.DataGrid1_UpdateCommand); this.DataGrid1.DeleteCommand = new System.Web.UI.WebControls.DataGridCommandEventHandler (this.DataGrid1_DeleteCommand ); This.load = new system.eventhandler (this.page_load); (this.dscategories1)). Endinit ();} #ENDREGION

Private void DataGrid1_EditCommand (Object Source, System.Web.ui.WebControls.DataGridCommandeventArgs E) {dataGrid1.edititemindex = E.Item.itemindex; DataGrid1.DATABIND ();

}

Private void DataGrid1_cancelcommand (Object Source, System.Web.ui.WebControls.DataGridCommandeventArgs E) {dataGrid1.edititemindex = -1; dataGrid1.databind ();

}

Private void DataGrid1_updateCommand (Object Source, System.DataGridCommandeventArgs E) {string key = dataGrid1.datakeys [E.Item.ItemIndex] .tostring ();

String Poster; TextBox TB; TB = (TextBox) E.Item.cells [2] .controls [0]; POSTER = Tb.Text;

DSCategories.Socut_bbsrow r; r = dscategories1.socut_bbs.FindbyId (int.Parse (key));

R.POSTER = POSTER; OLEDBDATAADAPTER1.UPDATE (DSCategories1); DataGrid1.DATABIND ();

DataGrid1.edititemindex = -1;

DataGrid1.databind ();

private void DataGrid1_DeleteCommand (object source, System.Web.UI.WebControls.DataGridCommandEventArgs e) {int aaa; aaa = DataGrid1.CurrentRowIndex; dsCategories1.Tables [0] .Rows [aaa] .Delete ();

OLEDBDATAADAPTER1.UPDATE (DSCategories1); DataGrid1.DATABIND ();

private void DataGrid1_PageIndexChanged (object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e) {DataGrid1.CurrentPageIndex = e.NewPageIndex; DataGrid1.DataBind ();

}

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