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FrmExec: Limpiar código y añadir soporte para generar inserts con imágenes y booleanos

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This commit is contained in:
Valeriano A.R.
2013-11-27 00:03:20 +01:00
parent 101838d653
commit d5ac17952b
2 changed files with 105 additions and 84 deletions
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6
ServerExplorer/UI/FrmExec.Designer.cs generated
View File

@@ -62,15 +62,20 @@
this.txtCommand.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
this.txtCommand.Size = new System.Drawing.Size(604, 57);
this.txtCommand.TabIndex = 1;
this.txtCommand.TabWidth = 8;
//
// dgvDatos
//
this.dgvDatos.AllowUserToAddRows = false;
this.dgvDatos.AllowUserToDeleteRows = false;
this.dgvDatos.AllowUserToOrderColumns = true;
this.dgvDatos.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.dgvDatos.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
this.dgvDatos.Location = new System.Drawing.Point(3, 3);
this.dgvDatos.Name = "dgvDatos";
this.dgvDatos.ReadOnly = true;
this.dgvDatos.Size = new System.Drawing.Size(604, 338);
this.dgvDatos.TabIndex = 2;
this.dgvDatos.CellFormatting += new System.Windows.Forms.DataGridViewCellFormattingEventHandler(this.dgvDatos_CellFormatting);
@@ -117,7 +122,6 @@
this.Controls.Add(this.splitContainer1);
this.Name = "FrmExec";
this.Text = "frmExec";
this.Load += new System.EventHandler(this.frmExec_Load);
((System.ComponentModel.ISupportInitialize)(this.dgvDatos)).EndInit();
this.splitContainer1.Panel1.ResumeLayout(false);
this.splitContainer1.Panel1.PerformLayout();

149
ServerExplorer/UI/FrmExec.cs
View File

@@ -13,8 +13,13 @@ namespace ServerExplorer.UI
{
public partial class FrmExec : Form
{
#region Declarations
private string cnxString;
#endregion
#region Form life cycle
public FrmExec(string cnxString)
{
@@ -23,11 +28,54 @@ namespace ServerExplorer.UI
this.cnxString = cnxString;
}
private void frmExec_Load(object sender, EventArgs e)
{
#endregion
#region Events
private void btnExec_Click(object sender, EventArgs e)
{
try
{
DataTable dt = Exec();
dgvDatos.DataSource = dt;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnGenInserts_Click(object sender, EventArgs e)
{
try
{
// Obtener el nombre de la tabla destino
string destTable = Microsoft.VisualBasic.Interaction.InputBox("Nombre de la tabla destino", "tabla destino", String.Empty,
this.Top + (this.Height / 2), this.Left + (this.Width / 2));
DataTable dt = GenerarInserts(destTable);
dgvDatos.DataSource = dt;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void dgvDatos_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
{
if (e.DesiredType == typeof(Image))
{
if (e.Value is DBNull || (e.Value is byte[] && ((byte[])e.Value).Length <= 0))
{
e.Value = new Bitmap(1, 1);
}
}
}
#endregion
#region Private methods
private DataTable Exec()
{
@@ -48,57 +96,24 @@ namespace ServerExplorer.UI
return dt;
}
private void btnExec_Click(object sender, EventArgs e)
private DataTable GenerarInserts(string destTable)
{
try
{
// Ejecutar consulta
DataTable dt = Exec();
DataTable dataTable = new DataTable();
DataTable destDataTable;
NumberFormatInfo nfi = new NumberFormatInfo { NumberDecimalSeparator = "." };
// Mostrar resultados
dgvDatos.DataSource = dt;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnGenInserts_Click(object sender, EventArgs e)
{
DataTable dt = new DataTable();
DataTable ddt;
string destname = String.Empty;
NumberFormatInfo nfi = new NumberFormatInfo();
// Preparar un conversor de formato numerico que use puntos para los decimales
nfi.NumberDecimalSeparator = ".";
// Obtener el nombre de la tabla destino
destname = Microsoft.VisualBasic.Interaction.InputBox("Nombre de la tabla destino", "tabla destino", String.Empty,
this.Top + (this.Height / 2), this.Left + (this.Width / 2));
try
{
// Ejecutar consulta
dt = Exec();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
dataTable = Exec();
// Preparar la datatable destino
ddt = new DataTable();
ddt.Columns.Add("Comando", typeof(String));
destDataTable = new DataTable();
destDataTable.Columns.Add("Comando", typeof(String));
// Recorrer la tabla de datos
foreach (DataRow dr in dt.Rows)
foreach (DataRow dr in dataTable.Rows)
{
string strColumns = String.Empty;
string strValues = String.Empty;
foreach (DataColumn dc in dt.Columns)
foreach (DataColumn dc in dataTable.Columns)
{
// El nombre de la columna
if (strColumns != String.Empty)
@@ -109,53 +124,55 @@ namespace ServerExplorer.UI
if (strValues != String.Empty)
strValues += ", ";
object valor = dr[dc];
if (valor == DBNull.Value)
if (valor == DBNull.Value || valor == null)
{
// NULOS
strValues += "NULL";
}
else
if (dc.DataType.Name.ToLower() == "string")
{
string type = dc.DataType.Name.ToLower();
if (type == "string")
{
// Cadenas
strValues += "'" + ((string)valor).Replace("'", "''") + "'";
}
else
if (dc.DataType.Name.ToLower() == "decimal")
else if (type == "decimal")
{
// Decimales
strValues += ((decimal)valor).ToString(nfi);
}
else if (type == "bit" || type == "bool" || type == "boolean")
{
// Booleanos
strValues += ((bool)valor) ? "1" : "0";
}
else if (type == "byte[]" )
{
// Arrays de bytes (imagenes, archivos etc)
strValues += "0x" + BitConverter.ToString(((byte[])valor)).Replace("-", "");
}
else
{
// Otros
strValues += valor.ToString();
}
}
}
// Insertar fila a la datatable destino
ddt.Rows.Add(new object[] {
"INSERT INTO " + destname +
" (" + strColumns + ") "+
"VALUES (" + strValues + ")" });
destDataTable.Rows.Add(
new object[] {
String.Format("INSERT INTO {0} ({1}) VALUES ({2})",
destTable, strColumns, strValues)
});
}
// Establecer el resultado
dgvDatos.DataSource = ddt;
}
private void dgvDatos_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
{
if (e.DesiredType == typeof(Image))
{
if (e.Value is DBNull || (e.Value is byte[] && ((byte[])e.Value).Length <= 0))
{
e.Value = new Bitmap(1, 1);
}
}
return destDataTable;
}
#endregion
}
}